R0.0.4PA

+ Started redoing all game graphics with a brand new design!
+ We have killed our first test enemy!
+ Winter Biome (For Christmas!)
+ Snowmen enemy (careful, they team up on those that do not look like them)
+ Comments to the code (makes modifying and adding features easier)
+ Items now spawn randomly
+ Items can be picked up
+ Items have a drop function
+ Items can be equipped
+ Equipped items increase stats (eg. DMG or DEF)
+ Equipped items can be switched for others
+ Able to level up and get a higher max HP
+ Mouse button actions
+ Fixed enemy spawn issue
+ Fixed enemy not moving per update
+ Fixed flashing images error on certain tiles
+ Fixed being able to walk over unwalkable objects glitch
+ Fixed enemies being able to walk while in inventory
+ Fixed invisible inventory glitch
+ Item uses (unimplemented)
* AI movement
* Image folder (now more organized)
* Biome 'empty tile' generation (now more optimized)
* Biome loading (more optimized)
* Drawing all assets (more optimized)
* Changed window size
* Item framework is now its own file
* Inventory drawing function (more simple and optimized)
* Inventory GUI
* Starting loadout for player
* GrassBiome spawning properties
* Frame rate is now 30fps instead of 60fps due to frame skipping
* Various other bug fixes and tweaks