level changes now properly remove all entities and clear all signals to fix #3
character plays jump and fall animation correctly, fixes #2
user config is now a module/file of its own to fix #4
moved config-user outside core to main plusplus file for a better fix to #4
image-drawing handles 0 width or height better to fix #5
spawners should handle repositioning spawned better, entity animation flip moved from update to draw
Merge pull request #6 from collinhover/dev

Fixes for issues 2-5