Added Map Comps.

Added map, tile, maplayer class to form the base for a map system. Needs
to be tweaked and tested before it is fully usable.
Map Editor

Began basic framework for the map editor. Need to work on a lot of
additional features/functions before it'll began working.
Loop improvements

Fixed step physics and logic updating. Variable step rendering. Fixed
step sprite advancement.
Merge branch 'master' of https://github.com/Im-Laodicean/you-re-trash
Change in input handling

Also conversion of constant ints for trajectory types to enums