Added support for blocks upon destruction automatically spewing their contents.
Added additional events to query and cancel delayed actions.
Fixing rendering of non-16x16 icons, both in inventory, as well as in mesh form.
Fixing rendering of dropped blocks and allowing alpha channel on item Meshes.
Removed the doubled remove from set call.
Fixing hilarious bug in the Region3i.
Items can now be dropped in multiples, not just one per object in world. Fixing bugs in automatic dropping from entities with InventoryComponent.
Merge pull request #878 from MarcinSc/develop

Support for non 16x16 icons.
Ability to query and cancel events.
Support for dropping all items on destruction of a block with inventory.