------- Todo...

Special Effects, Power-ups, ...

Tools: Level editor

Maybe...:
keyboard config, etc.
Allow zip files as resource paks
Better model support (textures, animation, etc.) md2?
Improve collision detection (it's rather crappy right now)
Wrapper for tinyxml (generic xml tree traversal)
LPath implementation: linear access to BezierCurve
Rework Input.

------- Source cleanup...

Remove/combine duplicate directory parsing (model loading, path loading, etc.)
Gather constants (strings, etc.) into Constants.hpp

------- Done...

Menues etc
LevelPack via file
StageManager needs some work
Mouse smoothing
Base Enemy using/based on LEnemy
ModelManager
PatternManager
Resource file
A ton of inlines don't have to be...
Rework Audio
Skill settings
Font manager
Change to use fixed timestep game logic loop
Nicer menu system, runtime config 
Leader board