weathermap

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0.97a   FIXED - Incorrect action URL in 'map selector' combo box for Cacti users.
        FIXED - cacti_graph_id set to 0 instead of ID, by rrd/poller_output and dsstats plugins (thanks sh0x)
        FIXED - 'classic' legend drew 'hidden' colour values for things like key background colour. (thanks jmayniac)
        FIXED - PHP 5.3 deprecated code in HTML_Imagemap.class.php
        FIXED - 'Show Only First' option ignored in Cacti (thanks inko_nick)
        FIXED - Editor deals with overlapping nodes on different ZORDERS properly.
        FIXED - "property of non-object in editor.php line 466" while editing map properties (thanks to iNeo)
        FIXED - no-data option on command-line didn't work 
        FIXED - Clone Node was broken in 0.97 
        FIXED - Maps with per-user permissions show up multiple times in map selector
        FIXED - Removed incorrect warning about imagefilter and USEICONSCALE.
        FIXED - string escaping bug with editor and direct config changes (thanks uhtred)
        FIXED - --imageuri was ignored on command-line (thanks Marcus StĂśgbauer)
        FIXED - links with targets containing spaces are broken by the editor (thanks Andreas Braun)
        FIXED - deprecated jQuery function call in cacti-pick.php (thanks again Andreas Braun)
        CHANGE - Group sorting is a bit more logical and the presentation nicer.
        CHANGE - cacti-integrate.php uses getopt to take more command-line params
        CHANGE - Updated jQuery to latest version
        CHANGE - Number formatting will pick 1G over 1000M (and similar) (thanks cerbum)
        CHANGE - The editor is disabled by default - see top of editor.php (and install guide)
        ADDED - LINK WIDTH accepts decimals
        ADDED - cacti-integrate.php can generate DSStats TARGETs too
        ADDED - Simple VIA editing in editor (thanks to Zdolny)
        ADDED - SCALE can accept G,M,K,T,m,u,n suffixes (for absolute scales)

0.97    FIXED - RRD Aggregation regexp was failing (thanks to shd)
        FIXED - Scale numerals honour locale (thanks again, shd)
        FIXED - THold plugin check failed with Thold 0.4.1 (PA 2.x, actually)
        FIXED - Uninitialized variable in ReadData when plugin is disabled
        FIXED - Zero-length link check didn't include offsets (thanks Ryan Botoluzzi)
        FIXED - Cacti-pick should get right rra path for packagers that move the rra directory (e.g. Ubuntu, Debian *again*)
        FIXED - DS plugins that return one value and a null should work properly
        FIXED - "Strange" characters (e.g. /) in NODE and LINK names broke the imagemap.
        FIXED - Map Style settings in editor were broken after internal defaults changes
        FIXED - Imagemap no longer contains areas with no href defined
        FIXED - SPLITPOS was ignored with VIASTYLE angled (thanks to uhtred)
        FIXED - 'AICONOUTLINECOLOR none' is actually valid now (thanks to mgb & Leathon)
        FIXED - readdir() loop never stops, on some systems (thanks to jerebernard)
        FIXED - bad regexp in the MRTG DS plugin (thanks to Matt McMahon)
        FIXED - 0.96 had a new 'time' DS plugin - now documented!
        FIXED - NCFPC now only complains about missing scale lines on NODEs for the variable that is in use.
        ADDED - USEICONSCALE no longer has special dependencies - and the colours are nicer too.
        ADDED - Option of a dropdown selector to navigate between maps (in full-size view)
        ADDED - Maps can be organised into groups in Cacti plugin. These appear
                        as tabs in the UI for viewing maps.
        ADDED - Extra variables can be defined per-group, so all maps in a group can have similar settings (e.g. a "24hr average" tab).
        ADDED - INCLUDE keyword to include a file of common definitions (based on work by BorisL)
                        (NOTE: this can confuse the editor sometimes - see the manual page for INCLUDE)
        ADDED - Warning for maps that contain OVERLIBGRAPH but not 'HTMLSTYLE overlib'
        ADDED - Warning for use of TEMPLATE not as the first line of an object (overwrites settings otherwise)
        ADDED - SCALE will accept values below 0, and also above 100
        ADDED - USESCALE has two new options: absolute and percent, which allows you to have a SCALE of absolute values
        ADDED - New datasource plugin to support statistics from TheWitness's DSStats Cacti Plugin. This gets you daily,weekly,monthly and annual stats with no complicated rrdtool stuff.
        ADDED - New converter to take a rrdtool-based map config and make it into a DSStats-based one
        ADDED - static datasource can be used for negative values
        ADDED - SNMP datasource has configurable timeout and retry values.
        ADDED - SNMP datasource has option to give up on a failing host
        ADDED - LABELOFFSET supports percentage compass offsets and radial offsets, like NODES does.
        ADDED - Percentage compass offsets (NODES and LABELOFFSET) support > 100% offsets
        
0.96a   FIXED - New z-ordering code did not work correctly on PHP4. This broke (at least) the editor. (thanks toe_cutter)
        FIXED - \n is no longer treated as a newline in TARGETs (thanks NetAdmin)
        FIXED - KILO was broken completely between 0.95b and 0.96 (thanks Jethro Binks)
        FIXED - Link comments in certain positions could cause div-by-zero errors. (thanks again Jethro)
        FIXED - USEICONSCALE didn't colorise (broken between 0.95b and 0.96 again) (thanks colejv)
        FIXED - Managed to make LABELOFFSET case-sensitive.

0.96    ADDED - TEMPLATE allows a node or link to copy it's settings from another, instead of from DEFAULT.
        ADDED - RRD datasource can take SET rrd_default_path to make configs a little easier to read.
        ADDED - RRD datasource can take SET rrd_default_in_ds and rrd_default_out_ds for non-Cacti users.
        ADDED - RRD datasource can get Cacti query information (in poller_output mode ONLY) - like ifAlias, ifSpeed etc
        ADDED - RRD datasource can take the ifSpeed/ifHighSpeed from the above, and use it in the map.
        ADDED - RRD datasource fills in Cacti cacti_path_rra and cacti_url with Cacti base path and URL
        ADDED - RRD datasource can take global SET rrd_options to add extra options to rrdtool command lines
        ADDED - SNMP datasource also stores the raw data from the SNMP agent in snmp_raw_in/snmp_raw_out
        ADDED - SNMP datasource allows '-' as an OID, similar to '-' targets in RRDs.
        ADDED - Control the drawing order with ZORDER.
        ADDED - New artificial icons: nink, inpie and outpie. See ICON in manual.
        ADDED - Warning for probably-incorrect BWLABELPOS where in<out
        ADDED - Warning for gaps in a SCALE
        ADDED - New global SET variables to disable some common warnings you may not care about :-)
        ADDED - Cacti management screen shows number of warnings for each map last time it ran
        ADDED - Cacti management screen also has a link to the log entries for the map in question
        ADDED - The TARGET aggregation thing can also take scale factors now: -5.5*myrrdfile.rrd
        ADDED - Cacti plugin caches thumbnail sizes, improving thumbnail view rendering
        ADDED - Cacti plugin allows adding the same map twice (more useful than it sounds)
        ADDED - Cacti plugin allows setting of map-global variables in the management UI
        ADDED - Cacti plugin allows settings of global map-global (across all maps) variables too
        ADDED - Cacti plugin adds links in 'user' pages to management screen (if you are an admin)
        ADDED - HTMLSTYLESHEET keyword allows you to specify a URL for a CSS stylesheet (CLI tool only)
        ADDED - A few extra CSS id and class attributes, to make styling the page easier.
        ADDED - New token: in/outscalecolor contains HTML colour code of node/link colours for use in NOTES
        ADDED - New NODES offset type - angle+radius
        ADDED - New NODES offset type - compass-point+percentage
        ADDED - "KEYSTYLE inverted" - to get a thermometer-style vertical legend.
        ADDED - "COMMENTSTYLE center" to make comments run along the centre of a link arrow. (and 'edge' for the usual)
        ADDED - COMMENTFONTCOLOR accepts 'contrast' as an option, for when it's over a link
        ADDED - VIASTYLE angled (or curved) - you can turn sharp corners now
        ADDED - Comment (and pos) editing in editor (based on code by Zdolny)
        ADDED - Editor Settings dialog works, and allows you to set grid-snap and some overlays
        ADDED - SCALE allows 'none' as a colour (for non-gradients). Only affects LINKs so far.
        ADDED - fping plugin allows for changing the number of pings.
        ADDED - TARGET strings can be enclosed in quotes, to allow spaces in them (mainly for external ! scripts)
        ADDED - "KEYSTYLE tags" - like classic, but uses the scale tags instead of percentages.
        ADDED - scripts in random-bits to help with automatic/assisted mapping.
        ADDED - lots more pretty pictures in the manual, so you can see what I mean.
        ADDED - IMAGEURI keyword to match --image-uri command-line option (ignored in Cacti plugin)
        ADDED - MINTIMEPOS and MAXTIMEPOS to track data source times
        CHANGE - Cacti plugin uses "processed" map title now (allows {} tokens in the title)
        CHANGE - A NODE with no POSITION is not drawn, instead of drawn at 0,0. Useful for templates.
        CHANGE - A LINK with no NODES is no longer an error. Also for templates.
        CHANGE - The link_bulge secret mode bulges each side of a link independently now
        CHANGE - whitespace is stripped from the beginning and end of each line before parsing
        CHANGE - OVERLIBWIDTH/HEIGHT are used for img tag width and height - so they must be *correct* now
        FIXED - Cacti poller_output support works more reliably/at all on Windows
        FIXED - Renaming a node in the editor correctly handles other relatively-positioned nodes and vias
        FIXED - Minor issue with CRLF in map title for Cacti Plugin
        FIXED - CLI tool set --define options incorrectly.
        FIXED - Oneway links don't draw the INCOMMENT anymore
        FIXED - negative TIMEPOS didn't hide the timestamp
        FIXED - DEFAULT SCALE covers 0-100 properly (Thanks Dan Fusselman)
        FIXED - Scaled ICON in DEFAULT didn't get overwritten properly in nodes (Thanks Fabrizio Carusi)
        FIXED - No more floating-point imagemap coords (Thanks Trond Aspelund)
        FIXED - RRDtool regional output (. vs ,) workaround
        FIXED - Cacti poller_output handles NaN more gracefully now
        FIXED - SNMP datasource should work with Windows SNMP again
        FIXED - MRTG datasource tried to stat() URLs
        FIXED - Error reporting for CLI --define was bad. --help text was out of date.
        FIXED - Editor will honour LABEL from NODE DEFAULT, if it is set.
                
0.95b   FIXED - SQL schema issue that upset some mysql versions
        FIXED - Removed sometime-problem debugging code in editor
        FIXED - incorrect jquery path in cacti-picker
        FIXED - INFOURL not used without overlib
        FIXED - 'none' colours on LINKs were broken by typo.
        FIXED - NOTES, INNOTES, OUTNOTES all just flat-out borken in 0.95 and 0.95a
        FIXED - Page title can be incorrect if filehash starts with a digit.
        FIXED - Cacti plugin behaves a little better with auth disabled.

0.95a   FIXED - problem with global map variables. Oops.
        FIXED - few deprecated function references.
        FIXED - couple of tiny docs errors.
        FIXED - bug where INFOURL without OVERLIBGRAPH would be ignored
        CHANGE - Added in a SCALE line in the DEFAULT scale for between 0 and 1. Stops a lot of warnings on low-traffic links.
        CHANGE - Tweaked node cloning in editor - clone is offset in x and y now.

0.95    KNOWN ISSUE - ININFOURL/OUTINFOURL, INOVERLIBGRAPH/OUTOVERLIBGRAPH are not handled well by the editor. If you edit a map that uses these, 
                then the 'in' side of the link will be copied to the 'out' side. New editor will handle this better.
        
        ADDED - you get a warning if you are using values outside of the defined SCALE now.
        ADDED - You can add a 'tag' to a SCALE line, to be used in ICON or LABELs later.
        ADDED - USEICONSCALE - colorize icon images (based on patches from llow)
        ADDED - screenshot mode. "SET screenshot_mode 1" at the top of the map will anonymise all labels, comments and bwlabels.
        ADDED - LABELFONTCOLOR can use a special value of 'contrast' to always contrast with the label colour.
        ADDED - Artificial Icons. Special icon 'filenames' - 'box' 'round' 'rbox' create a shaped icon without any file.
        ADDED - Map titles show up in browser title now.
        ADDED - a basic 'live view' function which generates a map on demand. Sometimes. It's not very useful.
        ADDED - LABELANGLE allows you to rotate node labels to 90,180,270 degrees. Needs truetype font.
        ADDED - improved data-source picker in editor: host filter
        ADDED - improved data-source picker in editor: option to aggregate data sources
        ADDED - Moved data-source picker changes across into the graph-picker for NODEs too.
        ADDED - SPLITPOS keyword to control position of midpoint in links
        ADDED - VIAs can be positioned relative to NODEs (like NODEs can) (thanks again to llow) 
        ADDED - Weathermap has a hook in the map viewing page to allow other plugins to add code there
        ADDED - .htaccess files bundled with Weathermap to restrict direct access to configs and output
        ADDED - filenames for output are much less guessable now (may break external references to maps)
        ADDED - You can use 'DUPLEX half' on a link to make the bandwidth percentage
                calculate work for half-duplex links
        ADDED - ININFOURL/OUTINFOURL, INOVERLIBGRAPH/OUTOVERLIBGRAPH, INNOTES/OUTNOTES 
                allow you to have different urls for the in and out side of links (based on idea from llow)
        ADDED - OVERLIBGRAPH (and IN/OUT versions) can take multiple URLs separated by spaces (again from idea by llow)
        ADDED - debug/warning log output contains the map name, and the debug output is marked DEBUG
        ADDED - debug log output contains the calling function, file/line number, too. Making debugging-by-mail easier.
        ADDED - fping: TARGET to do live pings of devices. See targets.html
        ADDED - a sample 'skeleton' DS plugin
        ADDED - an additional check-gdbug.php to spot bad GD installs
        ADDED - MRTG DS plugin can do a few new tricks. See TARGET and targets.html
        CHANGE - DS plugins are able to return negative results now ***breaks user-developed DS plugins***
        CHANGE - the scale: prefix for the RRD DS plugin can take negative scale factors
        CHANGE - (internal) plugins are each created as a single object now. Result: the plugin can cache results internally.
        CHANGE - (internal) broke out some of the larger classes (node, link) into separate files.
        FIXED - KEYOUTLINECOLOR is actually used now (thanks to llow once more)
        FIXED - Editor doesn't throw away WIDTH and HEIGHT with no BG image
        FIXED - Cacti Data-source and Graph picker doesn't restrict scrolling or resizing anymore
        FIXED - weathermap-cacti-rebuild.php to work on both Cacti 0.8.6 and 0.8.7
        FIXED - weathermap-cacti-rebuild.php to flat-out fail if Cacti environment is wrong.
        FIXED - SNMP DS plugin had a typo that stopped it working at all (and no-one 
                noticed for almost a year :-) ). (thanks to Fratissier Christophe for pointing it out)
        FIXED - Added some better controls into SNMP DS plugin. You can correctly pull 
                interface oper/admin status, for example, now.          
        
0.941   FIXED - Issue with '-' DS names again.
        FIXED - Added extra code to help discourage browser caching.
        FIXED - Removed some extra chatty debugging code from poller_output.
        ADDED - Page titles are more useful in Cacti now

0.94    ADDED - INBWFORMAT and OUTBWFORMAT allow you to format the text for BWLABEL, same as for COMMENTs
        ADDED - New cactithold/cactimonitor data source plugin reads data from Cacti's Threshold plugin.
                (Original development for this plugin was paid for by Stellar Consulting - Thanks!)
        ADDED - New LINKSTYLE command allows you to have one-way (one arrow) links.
        ADDED - RRD DS can use Cacti's poller_output to get data without running RRDtool at all.
                (this also means it can work with the Boost plugin for large installations)
                See targets.html for more info on this one.
        ADDED - Editor - Align horizontal and Align-vertical for links. Calculates link offsets to make link vertical/horizontal.
        CHANGE - Finally a better tab image, and a red 'active' one too, for the Cacti plugin.
        FIXED - "Full Screen Maps" mode in Cacti Plugin was broken by me adding the "View Only First" mode.
        FIXED - Imagemaps for horiz/vert format legend were wrong in editor (thanks to Alex Moura for pointing this out)
        FIXED - Changes for compatibility with Cacti 0.8.7's moved config file.
                                
0.93    Added - weathermap-cacti-plugin.php?action=viewmap&id=mapfilename  works as well as a map number - useful for crosslinks
        FIXED - the key_hidezero secret setting hides the zero in a gradient in a classic scale too.
        CHANGE - the auth realm names for Cacti have been changed to match ReportIt and Aggregate - easier to tell who does what
        ADDED - unique code for each warning message, and a page to explain it on the website. Ugh.
        ADDED - warning in editor file-selector so you can tell if the file is read-only
        ADDED - click config filename to edit in editor from Cacti (thanks to streaker69)
        FIXED - editor-generated node names are a bit shorter (and easier to read) now.
        FIXED - keyboard focus switches nicely to the popup dialogs now.
        ADDED - cactihost: DS plugin fetches a bunch of other stats from Cacti's DB now, too (like availability and response times)
        ADDED - Picking Cacti sources from editor has a javascript "live filter" feature now (needs a little work)
        ADDED - node coordinates are directly editable in the editor now
        ADDED - File picker allows you to use an existing map as a template
        CHANGE - Editor warns about older editor-config.php format now
        ADDED - Editor now allows you to clone a node with all it's styling intact.
        ADDED - When picking coordinates (new node, move node, move timestamp etc), you can see the coordinates
        ADDED - Editor toolbar fixed to window, to make it easier to scroll around large maps
        ADDED - RRD Datasource has improved warnings for non-existent DS names
        FIXED - RRD doesn't consider DSes other than the ones you named when finding a valid line.
        CHANGE - Formatted numbers (Mega, Kilo etc) now can include milli, micro and nano (m,u,n).
        FIXED - COMMENTPOS 0 doesn't kill everything anymore
        FIXED - OVERLIB would behave incorrectly with PHP4 and relatively positioned nodes (Bernd Ziller)
        ADDED - Editor allows you to edit raw text of nodes and links
        ADDED - Editor link in management page (warnesj)
        ADDED - Docs link in management page too (streaker69)
        ADDED - Editor has a better warning for unwriteable files and directory now.
        ADDED - When you come TO the editor from Cacti, the Change File goes BACK to Cacti
        ADDED - "Show Only First" mode in Cacti UI - useful for heirarchies of maps with a parent.
        ADDED - scale: prefix for RRD datasource - multiply/divide by any value as you read an rrd datasource
        FIXED - Non-unique IDs in imagemaps, in overlib mode.
        FIXED - Better-validating HTML produced
        FIXED - angled bwlabels have the correct imagemap
        FIXED - divide-by-zero error for some (?) PHP versions in poller
        ADDED - Warning for duplicate node or link names
        
0.92 - FIXED weathermap CLI help said --random-data instead of --randomdata
       FIXED one last php short_tag in poller_common.php - thanks Bernado Diez
       FIXED a SET in DEFAULT node/link is inherited by all node/links now.
       FIXED changing defaults in the editor changes existing objects that use the default value
       FIXED unreadable files in the configs/ directory don't kill the editor file-picker anymore
       FIXED - weathermap.conf really *is* a simple map again. My test version went out with 0.9 and 0.91
       INTERNAL added a lot more memory debug points in
       INTERNAL refactored the curve/link drawing code to make some new features possible/easier
       Further tweaks and improvements to check.php (Basic GD check, memory_limit check, PEAR Getopt check, and more explanation now)
       Small improvements to the editor's font-picking, including samples of all fonts.
       Added - Editor handles VIAs in a MUCH better way when moving nodes.
       Improved clipping reporting, improved plugin loading (Niels Baggesen)
       Added - BWSTYLE lets you choose between regular and angled bwlabels
               angled bwlabels follow the angle of the link arrow, which can save space.
       Added - Editor can pick Cacti graphs for NODE's overlib/infourl (but NOT targets)
       Added - COMMENTPOS allows you to move the position of comments along the link (like BWLABELPOS)
       FIXED - strange edge case with gradient SCALE caused div-by-zero (Tiago Giorgetti)
       CHANGE - The editor doesn't *require* an editor-config.php anymore. It *will* warn you if the defaults aren't enough, however.
       
0.91 - FIXED RRD bug with '-' DS names. This was fixed in 0.9pre3, but somehow slipped through.
       FIXED KILO bug again (Steve Woodcock)
       FIXED handling of MRTG html files on remote systems
       FIXED ReadConfig doesn't complain about KEYPOS DEFAULT -1 -1 (as written by WriteConfig) anymore
       FIXED NOTES was not fully tested, and broke cactihost: targets, at least.
       FIXED BWLABELPOS wasn't handled properly by the editor/WriteConfig (it would swap the positions over)
        FIXED Documentation fixes for installation (to include check.php) and NODE TARGETs.
       NEW check.php checks for presence of possibly-missing functions in your PHP installation
       NEW 'quiet' logging setting for Cacti plugin - in LOW logging, only errors are logged.
       NEW add a - to the front of a targetspec and you can take away values instead of aggregating them (think Total-VPN=Internet, for example)
       NEW the scale line that was 'hit' for each link direction is stored in inscalekey and outscalekey

0.9  - Changed node rendering - now we render to a transparent mini-image and blit them on. This will be good for the editor.
        FIXED long-undetected bug in HTML_ImageMap for similarly named nodes or links (SLander)
           Added BWLABELPOS - you can specify the position of the bandwidth labels along the link
       Added OVERLIBCAPTION based on code from Jared Gillis
           Moved all ReadData code into plugins to allow for user-supplied data sources
           FIXED unreported bug where WriteConfig throws away floating point part of SCALEs
          FIXED another variation of the imagemap sorting bug from 0.81 (Erik van Cutsem)
        FIXED KILO ignored bug (found/patch by Steve Woodcock)
           FIXED unreported bug where WriteConfig throws away HTMLOUTPUTFILE and IMAGEOUTPUTFILE 
           Added facility to use multiple SCALEs in a map. SCALE takes an optional name. NODEs and LINKs can have a USESCALE line.
           FIXED bugs relating to assumption that 'admin' user always exists, and that users never go away, in the Cacti mgmt tab (adrian marsh)
           Logging is tidied up a bit under Cacti's poller
           FIXED Added a warning for RRD data sources where the DS names you specify don't exist in the RRD file
           Added numeric offsets for NODES lines, like for LABELOFFSET. Move the end of a link whereever you like.
           Added a new 'static' datasource - you can hardcode values, if you ever needed to.
           Added a 'gauge:' datasource to the rrd plugin. Allows you to use values from any rrd without bit/byte-conversion.
           Added formatting tokens into most strings - you can print data on the map from various places, including stuff
              placed there by plugins.
           Added - if you specify an output filename ending in .jpg or .gif, you'll get a GIF or JPEG file.
           Added - BACKGROUND and ICON also understand JPEG, GIF and PNG, if your GD library understands them.
           Added - support for non-standard polling periods in Cacti plugin. You can choose to only update every so often, or not at all (manually).
           Added - manual 'recalculate now' button in Cacti plugin's management UI
           Added - SET command to pass hints into plugins or weathermap core, per-node, per-link or globally.
           Cleaned up config parser. Can be more fussy. More consistent though.
           Added - CLI tool takes --define to define SET-style variables
           
0.82   FIXED another variation on ReadFromRRD not detecting NaNs properly (hyland)
       FIXED SQL error which affects only some MySQL 5s (gundamx)
       FIXED some minor php errors in setup.php (cigamit)
       Changed the rrdtool period from now-400 to now-800 to avoid long-poller-cycle problems.
       Did some more /=>DIRECTORY_SEPARATOR changes - there weren't any problems, but it's a potential one.
       FIXED if you use the editor and your rrdtool is somewhere other than /usr/bin/rrdtool then you get an incorrect error about checking line 27 of the CLI tool.
           
0.81 - Added a Weathermaps link to the Cacti 'Configuration' side-menu. Removed 'Manage Maps' link in Weathermap tab. (knobdy)
       File-picker in editor no longer masks on *.conf
           FIXED sort-order bug for imagemaps (Fran Boon)
           FIXED plugin shows same map twice if you have 'Anyone + users' (Fran Boon, again)
           FIXED default bandwidth duplicated field in editor. (qjy2000_cn)
           FIXED now allow TITLEPOS 0 0 (actually, y=0 is useless, but x=0 might be useful) (knobdy)
           Editor still won't upload images, but it WILL let you pick from any PNG files in the images/
             folder, and any images already mentioned in the map configuration file for ICON and BACKGROUND 
                 lines. (everyone and their dog)
           Similar change for DEFINEFONT. You still have to hand-edit to define the font, but after that, the 
             editor will let you pick it.
           Changed the dependency tests to NOT give a warning about particular DLL names.
           Added more dependency tests for specific functions.
           Changes some debug messages to warning, so that they are visible in the logs even without DEBUG on.
           FIXED minor (unreported) bug with sort order in Manage Maps
           Changed most Cacti Plugin code to use Cacti's (logging) SQL functions. Hopefully this will help
             with running down a couple of problems for Windows users.
           More error reporting generally.
           Fixed error when creating multiple links between nodes in the editor (fozzy)
           Docs update - More FAQs and config reference improvements/amendments.
           Added 'Cycle' mode to plugin - automatically cycle between your weathermaps.
           
0.8 -  Added ability to have multiple targets for a LINK - aggregate your T1s
       Added ability to use half an RRD (use '-' as the DS name) - if you have 'in' in one RRD, and 'out' in another
       Added a tab-seperated file datasource for TARGET lines, so you can draw anything you can dump into a textfile.
       Added ability to specify which corner of a NODE each LINK-end goes to - handy for busy hub nodes
       Added support for FreeType & GD fonts
       Added VIA points - a link can go around corners, and they're nicely curved too.
       Added gradient SCALEs - specify two colours for a band to have colours interpolated.
       Added many more colour controls for map elements:
                For Links: OUTLINECOLOR r g b ( or OUTLINECOLOR none)
                For Link bandwidth labels: BWOUTLINECOLOR, BWBOXCOLOR, BWFONTCOLOR
                For Nodes: LABELBGCOLOR, LABELFONTCOLOR, LABELOUTLINECOLOR, LABELFONTSHADOWCOLOR
                For Map 'furniture': TIMECOLOR, TITLECOLOR, KEYBGCOLOR, KEYTEXTCOLOR, KEYOUTLINE
       Added Cacti plugin. View and Manage UI, plus poller integration. No editor (yet)
       Updated example config to use new 0.8 features
       Re-organised manual, and heavily re-written config reference.
       Fixed cacti-pick.php some more (all done now?)
       Added non-bandwidth bandwidth labels: BWLABELS unformatted
           Many Thanks to James Lang, Niels Baggesen and the [php-weathermap] mailing list for feedback
        during the testing of this release.

0.71 - Fixed database code in cacti-pick.php
       Fixed up editor to handle blank maps better.
       Fixed a problem with cached images in editor.

0.7 -   Updated the manual and example map to reflect all these changes.
        Added config options for HTMLOUTPUTFILE and IMAGEOUTPUTFILE. The
        idea is to reduce the size of command-lines, and make the map files
        more self-contained. CLI options still take precedence.
      Includes new 'DHTML' editor for the first time. This is still very much 
                          in testing - backup any map configs you edit with it first!
      Fixed DrawLegend() to not go below a minimum width (it used to use the 
                          title length, but that can be too small now)
      Added BACKGROUNDCOLOR option: take an R G B like the SCALE lines (request 
                          from kbriggs)
      Ripped out some of the 'live PHP' code to make DrawMap a bit simpler.
      Added a check for PNG support in CLI command.
      Added command-line error-checking (Niels is back again)
      Added a fix for Windows line-endings. Seems that PHP uses Unix-endings even on Win32
      Added LINK DEFAULT and NODE DEFAULT - set the defaults for (nearly) any 
        parameter. This also means that most node-affecting and link-affecting
        parameters are now per-node and per-link.
      Added ARROWSTYLE option - there's 'classic' and 'compact' with neater arrowheads. 
      Added LABELOFFSET option to change the relative position of the LABEL when an
        ICON is also used.
      Added OVERLIBWIDTH and OVERLIBHEIGHT to allow better OverLib output (Niels B, once more)
      Switched to using 24bit images internally. This should improve the handling of
        PNG transparency in ICONs.
      Improved number and content of error messages.
    
0.6 - Renamed weathermap.php to just 'weathermap' to make it more
      obviously not a PHP page.
      Fixed up NODE name regexp (thanks Niels Baggesen)
      Added warning for non-existent NODES in LINK (thanks again Niels Baggesen)
      HTML fix for <map> in generated HTML (Niels once more)
      More HTML fixes to make us a bit more XHTML-like.
      You can have an ICON and a LABEL now. LABEL is centred over the 
      NODE, for the moment. Also, there's a drop shadow effect, to make
      it easier to read the overlaid text.
      New config features: LINKFONT, NODEFONT and KEYFONT to control the
      fonts used for those things. It's a number from 1 to 5.
      Added BWLABELS NONE for no labels on links at all (request from Ueli Heuer)
      Moved responsibility for complete HTML page from the class to the CLI program - MakeHTML produces an HTML fragment now.
      Added ability to customise timestamp and legend text, by adding new text after the KEYPOS and TIMEPOS commands.

0.5a - Fixed totally embarrassing problems with the DS-specification code.
       As far as I can figure I never did test it. Oh dear. Thanks to 
       Jethro Binks for speedy patches.

0.5 - Fixed asymmetric BANDWIDTH bug - thanks rpingar
      Fix to make rrdtool commandline work on Windows - also thanks to rpingar
      Added specification of RRD DS names in TARGET ( blah.rrd:ds0:ds1 - that's in then out)
      Fix for different C libraries returning something other than NaN for a NaN (thru rrd) - now we look for good data rather than bad data.
      Allow for decimals in BANDWIDTH specifications - 1.5M should work now
      Allow for decimals in SCALE specifications - mainly useful for very small values on big links
      Brought back sub-1.0 percentages, which got lost somewhere along the line
      Added in warning for >100% lines 
      Added TIMEPOS option so *you* get to choose where the timestamp goes, mgb
      Fixed stupid bug in ReadRRDData - Weathermap should follow the data better now. Thanks to 'cl'

0.4 - Changed all internals to deal in bits/sec instead of bytes
      Moved timestamp back up to the top-right corner.
      *BREAKAGE* Changed BANDWIDTH to use bits too
      Added support for K,M,G,T suffixes on bandwidth specs
      Added KILO config file option to redefine 1K=1000 or 1K=1024 (or anything actually)
      Added --sizedebug commandline option, to help with figuring out
        what you did wrong with the new BANDWIDTH format. Shows max
        bandwidth instead of the current bandwidth on all links.
      Included something a bit more like a manual.
      *BREAKAGE* Changed BWLABELS options to be bits/percent, since they *are* bits!
      LABEL regexp relaxed to allow spaces in labels
      HTMLSTYLE, BWLABELS regexps tightened up to detect more errors
      Added new example config in docs/ directory
      Moved editor.php out of the way to random-bits
      Included a copy of auto-overlib.pl, just cos it's handy
      
0.3 - ICON config directive for NODEs added - same effect as jas0420's perl code
      Fixed WriteConfig a little - TITLEs are written. 
      OVERLIBGRAPH config is written for NODES.
      Fixed bug with OVERLIBGRAPH DHTML and NODEs
      Added --image-uri option back in from the perl version

0.2 - NODEs with no label aren't drawn but can still be an endpoint for a LINK.
      Small bugfixes from mgb
      Included the editor.php for people to see
      Code tidyup for weathermap.php

0.1 - Initial pre-release version