Output & Formatting Changes

Dicebag.java:
- Fixed Dice Roll Output Formatting

CombatTracker.java:
- Cleaned Up Creature.toString()
- Fixed Tabs in Large Declaration Blocks
- Renamed 'creature' creature alias to 'target' in the UI code to allow
for other creature aliases.
- Added 'current' creature alias in the UI code.
- Implemented Additional Combat Event Logging
- Other Misc. GUI Changes (see differential for details)