Added a new Server namespace to the ModPE API
Remove old ModPE.sendChat() in favour of Server.sendChat()
Add a maxStackSize parameter to defineItem
Moved item methods into a new Item namespace
Now anytime we want to add any new item related methods, they can be in here just like Blocks. Anything to clear up the ModPE namespace.
Remove "custom blocks API" message
ModPE: Move recipe methods to the Item package, move the setItem methods back to ModPE for compatibility with Treebl's ModPE, warn that all deprecated methods will be removed in 1.7