Move the screen initializing from Graphics to train
Optional parameter to load services from a different file name (to make modules easier)
Remove the requirement for pygame modules
Add filename to parse error messages
Fix for default slicing behaviour
Store place names instead of node numbers in service for easier displaying
Remove old debug statement
Switch other modules to use place names
For better inclusion into other tools, disable the loading indicators
group.py - Automatically regroups service data into one file, and generates trains (doesn't know about train types or track numbers though)
Fix broken track comparison
Regenerate service data with group.py