ammend later
[Port] Updated function and field names to 1.6.4
[Cleanup] Moved calculation of inventory rows to own function
[BugFix] Moved rendering of backpack to event instead of overwriting the RenderPlayer class
[Update] Updated an import to new name of the class in NEI
[BugFix] Weared backpack doesn't get deleted when you come back from the end.
[BugFix] Moved rendering of player to own handler to fix ClassNotFound Exception in SMP
[Feature] Implemented saving of worn backpack in own files instead of the player to prevent duplication bugs and item loss
[Improvement] Improved code of custom recipes
[Feature] Using UUID to identify a specific backpack. Will prevent item loss through overwriting wrong backpack.
[Cleanup] Fixed some typos, improved some code, refactored some code
[Feature] Message that you are up to date only appears once per world after an update
[Change] Moved save all player data to proper server stopping event
[Change] Added backwards compatibility to normal backpacks
[BugFix] Fixed bug where dirty state was not set so new data was not saved.
[Change] Combined Gui only works for some vanilla blocks and ironchests