Merge pull request #49 from squeek502/master

Fixed BlockFilteringHopper ObfuscationReflectionHelper usage to work with obfuscated fields
Renamed Filtering Chest to Sorting Chest + upgrade fix
Fixed Sorting Connector icon
Added features file for Wiki and MCF post
Fixed crash when BC is not installed
Added more optional methods
Fixed getNextInsertSide of Advanced Buffers when not on spread mode