added EntityPool class for better memory management; fixed resolution of mouse positions on canvas elements that are scaled via CSS; changed DisplayEntity caching for crisper edges; set Entities to call 'kill' when their life hits zero;
Reformatted drawing and caching methods for easier user-end draw method definitions; 'draw' methods on DisplayEntities are now wrapped at runtime by 'draw__optimized' methods that take caching and snapping into account
Added EntityPool active entity counting to 'reserve' and 'release' methods;
Moved Object.prototype extensions out of Fizz.Base.js; sorted out script dependency order in Gruntfile; added stub for Fizz.Logger singleton
Rolling back hidden Fizz.UID object data to fix existing tests;