Changes

Summary

1. Close #79 Detect fluid from fluid block stacks (details)
2. Improve debugging and error messages (details)

Commit 32dc9b937242e9dcf57368fb359e0e7021818799 by mezz Close #79 Detect fluid from fluid block stacks
	src/main/java/mezz/jei/gui/Focus.java (diff)
Commit e3d0345a6c329494fdda0352aa09ffab3efbe7d6 by mezz Improve debugging and error messages
	src/main/java/mezz/jei/ItemRegistry.java (diff)
	src/main/java/mezz/jei/util/ItemStackElement.java (diff)
	src/main/java/mezz/jei/debug/DebugItem.java (diff)