Using Bukkit 1.7.2-R0.2 Beta Build
Fixed the JavaDoc of MathUtil

Fixed: Some minor style issues in MathUtil's JavaDoc.
InventoryLayout isn't a Bukkit Listener Anymore

Removed: InventoryLayout implemented bukkit's Listener interface unnecesserily.
Fixed ExceptionHandler

Fixed: Some style issues in the ExceptionHandler.
Added: Some explanation for the ExceptionHandler.
Added RedstoneToggleEvent

Added: The custom RedstoneToggleEvent which is called when a block becomes powered or unpowered.