Added ToDo to BoardBuilder
Merge branch 'master' of github.com:milseman/sokoban
Hopefully working and efficient Zobrist-style hashing
Merge branch 'hashing'
Merge branch 'master' of github.com:milseman/sokoban

Conflicts:
	src/ai/sokoban/representation/Position.java
Merge branch 'master' of github.com:milseman/sokoban