updated README
made window unresizable
The code did not handle this well, better prevent it
renamed dumpWall => hasTurned()
Removed special case for player's last wall

The last wall is not added to the wallSet immediately and updated at each frame through player's update method
removed debug trace
refactor wall handling while turning
fixed last wall disappearing as other walls
refactor of color and intersection handling
removed unnecessary temporal variable
added initial AI player class (and example player)

Current AI algorithm: turns randomly when faced with a wall
Merge branch 'master' of github.com:tchapeaux/love-trove