Beta update 24

Added physicsEntityHasContacts() for optimized contact tests
Fixed physicsRemoveAll() crash
Increased physics broken contact forgiveness queue length to four frames to better maintain ground contact for sliding objects
Fixed sustained physics contacts for fast moving objects not updating position properly
Fixed "Game start" argument being passed to the start mode's enter event section
Added tools/export.py tool
Made tools/quaddepend.py able to launch directly as a script on MacOS and Linux
Renamed internal BetterJSON library to WorkJSON
Centered ninja sprites
Added detection for 8BitDo SN30, SF30, and Zero 2 controllers
Redesigned the internals of the virtual sprite and font hardware memory system