Store links between nodes as a double dict of Link objects
Update data.txt's syntax for pending simplification
Update data.txt version number
Better float parsing (untested because pygame suddenly segfaulted like mad)
Use the parser to parse data.txt
Fix for non-indexosity of dicts
I can't spell.
Finally, sensible unicode handling!
Merge branch 'master' into python3
Fix floats
Support python3
Fix number parsing
Fix sorting of links
Merge branch 'python3'
Fix problems with place->node numbering
Improved link writing (now with actual naming!)
Note python3 usage in readme
Improve FPS quite a bit by using a separate background image