Refactored Omnidirectional Hopper, fixes #178 , Omnidirectional Hopper eating items from JABBA barrels
Added more protection against inventory items crashing, closes #185 , although that should have been fixed in 1.2.6 already.
Capped all speed upgrade affected machines, and capped Pneumatic Helmet's block/entity track range. Fixes #183, fixes #159, fixes #20,