Merge pull request #5 from Jirsch/lior_branch

Lior branch
Fix UCF
Refactor corner heuristics
Merge branch 'master' into jsearch
New game.py version
Added commulaative cost to searches
Merge pull request #6 from Jirsch/jsearch

Jsearch
Corner heuristic
Merge pull request #7 from Jirsch/corners

Corner heuristic
Suboptmial
Merge branch 'master' into corners
Merge pull request #8 from Jirsch/corners

Corners
food heuristic-working
Merge branch 'master' into lior_branch

Conflicts:
	search/searchAgents.py
README