Ideas for future versions:
- Fix the bug where netmapr crashes on my 24-bit Truecolour display under 
  Solaris (and possibly other platforms)
- Export diagrams to XML
- Export diagrams to some format which Visio can import
- Perhaps change to SVG for objects
- Add more objects (eg. broadband router, etc)
- Snap-to-grid feature
- Make size+position matching work for text (currently only works on objects)
- Implement a toggle-able traffic flow display (for example, you might click 
  a button and have arrows appear to show all SMTP mail flows)

Version 1.1:
- Added rollover help text and highlights
- Added object: VPN concentrator
- Added dual-head arrows on lines

Version 1.0:
- Sub-map list is now scrollable
- Implemented line style, width and arrowhead functions.
- Implemented delete current map function
- Added objects: access point, pda, laptop

Version 0.99d:
- Added readonly mode if argv[0] contains "view"
- Modified makefiles to include netmapr-viewer
- Fixed "make install" - now actually uses install(1)
- Replaced icon with better one
- Modified loadmap() function to better cope with future versions
- Bumped version to v0.99d

Version 0.99c:
- Added new object - wireless router
- Added new object - PDA
- Added new object - laptop
- Replaced "hub" object with "hub3d"
- Added the ability to edit existing text - either double click the text
  or select it then press 'e' or 'F2'.

Version 0.99b:
- Changed from dodgy homemade vector font to TTF font (verdana)
- Now requires SDL_ttf (and hence freetype)
- Can now resize text on top of objects without having to move the text off
  the object first!
- Added example network diagram.


Version 0.99:
- Redrew router and firewall objects to be more Cisco-like.
- Corrected random crash when running under Windows
- Added more keyboard shortcuts
- Corrected bug in savemap() function, and added convert.c program to convert
old diagram files
- Increased maximum object dimensions
- Increased maximum number of maps
- Increased maximum number of vectors per object
- Object toolbox nows scrolls to show all objects (use q/w or ,/. keys)
- Can now use CTRL+LMB to create links/add points (for 2-button mice)
- Added export to BMP function when save filename ends with ".bmp"
- No longer need to avoid text when double clicking to drill down.
- Added 3d switch object