Fixed syncing issue!
First work on Sorting Importer
Fixed unloading problem!
It's alive! Just need textures and cleanup, but it functions!
Fixes crash from: #63
Resolved filter disappearing after upgrading IronChest; fixes #64
Finished up the Sorting Importer, could use a bit of cleanup
Removed some prints and fixed Block Extender updating
Merge branch 'origin/master'

Conflicts:
	java/com/dynious/refinedrelocation/block/BlockSortingBarrel.java
	java/com/dynious/refinedrelocation/block/BlockSortingConnector.java
	java/com/dynious/refinedrelocation/block/BlockSortingIronChest.java
	java/com/dynious/refinedrelocation/sorting/SortingInventoryHandler.java