Update Makefile to compile on Linux Mint 15.
(If this breaks things, just get rid of the -lm flag)
Seriously cut back on console activity to just errors.
Remove half-baked music feature for re-implementation when the time comes.
Fix sudden direction changes delaying the player.
Fix glitchy animation when colliding downwards or upwards.
Fix pointer issues with map file!!
Fix multiple cases of forgetting to close files.
Add place for freeing session manager resources at execution.