Episode 0 - JPS :
+ Fixed : JPS - First working version
+ Fixed : Actor movement and grid-unwalkable detection
+ Added : Global Debug & Pathfinder Debug
+ Added : XBox Controller partial support
+ Added : START (xbox) to stop World.update()
+ Inlining a bunch of grid-access method
Merge branch 'master' of https://github.com/FlorianDeconinck/AcrossProject.git