Intial commit
Added classes for representing connections.
Added parsig files from timetab project.
Finished inporting, stub for searching connection.
Added comparator for departures.
Edge -> ConEdge

Edge renamed to ConEdge, Edge is now parent of ConEdge and WalkEdge.
Added autogenerating walks.

Walks are autogenerated between stations with the same names.
Edge is nwo parent for ConEdge and WalkEdge.
WalkEdge inherites from Edge
First searching try, fails for nondirect conns.
Added checking, when transport goes.
Functional, but inredibly slow.
Connection find works, saving to file fails
Merge branch 'master' of https://github.com/xtompok/PIDsearch

Conflicts:
	.gitignore