Some custom maps apparently need a larger value for MAX_PATCH_PLANES.
These snuck under the limit with original Q3 due to the vagaries of
floating point error/modern compilers/fastmath etc.. See issue #186.
* Updated TODO
* Moved ChangeLog to root
* Updated ChangeLog
* s/Foobar/Quake III Arena Source Code/
* Biggest patch EVAR. I wonder how many mail boxes this will fill...