Shift clip graphic in HUD up by 1px
Minor optimizations to patch drawing functions
No longer flash armor in HUD when low

It's distracting, and not as necessary as flashing the health and ammo
values.
Fix IDKFA cheat from registering even when...

...the player already has everything the cheat provides.
Fix if videodriver setting is empty
Fix small overflow bug

See
http://www.doomworld.com/vb/source-ports/65528-overflow-bug-causing-load-game-crash-in-wiidoom/
Fix crash when loading savegame due to typo
Fix missing #include
Rename expansion enum values

m_menu.c uses 'exp1', 'exp2' as enum values, but 'exp2' is a library
function on OS X (thanks @fragglet).
Numerous tweaks to allow compile on OSX

Thanks again to Fraggle! More work to be done...
Fix extra blood not being spawned for some things
Reincorporate non-WIN32 file handling code
Handle setting non-WIN32 processor affinity
Reincorporate more non-WIN32 code
Toggle brightmaps using "brightmaps" setting

On by default.
Fix build on Mac.