Merge pull request #41 from DaveAckley/master

Appearance tweaks mostly
Merge pull request #42 from DaveAckley/master

Deprecate P1.  Create AntiForkBomb.  Deep hacks..
Merge pull request #43 from DaveAckley/master

Version 2.0.2
Eraser acts like Brush tool
Added Xray tool
Descriptions for basic Elements
Eraser tool displays brush size
Slider max/min values no longer clamp, saving pointer values.
Better locking mechanism, empty buffers while pausing
Desperation thread bug hacks
Pre-merge nonsense
Atoms may be selected with Atom selection tool