Add a helper for casting some common collection types into generic form
Try and see if there is anything to the identityHashCode collision hypothesis. If you see this in your error messages, kindly let us know!
Finally hopefully fully kills the race condition causing a classcast
on slow machines.

This is me bugfixing. NOT MODDING! No! Stop it! I'm not!
Fix ObjectIntIdentityMap sporadically matching non-identical objects.
Merge pull request #426 from sfPlayer1/master

Fix ObjectIntIdentityMap sporadically matching non-identical objects.
Don't consider null NetworkDispatchers. This should fix a bunch of fakeplayer issues.

Nothing to see here. No modding being done.
Fix up possible CME
Swap Listenerlist constructor around. Should fix parent resizing issue?
Make AccessTransformer change INVOKESPECIAL to INVOKEVIRTUAL when making methods visible
Merge pull request #431 from diesieben07/at-invokevirtual

Make ATs replace INVOKESPECIAL when needed
Fix the null networkHandler in the MessageContext
Add in the objectholder, autopopulated by FML based on simple rules. Allows
for reference driven substitution of mod blocks and items based on their
server running state.
Fixed deobfusication of nested inner classes. And removed legacy ModLoader remaps.
-.- Save File First. My Bad.
lastIndexOf, Note Don't code while sick.
Warn when the objectholder finds nothing in the registry. Helps debug mismatched names.
Also, actually make the scoping thing work with objectholder

Also handle Blocks.air as a special case. It should never be a valid block in the block registry.

Nothing can ever replace the default block registry block. It is disabled for replacement.

Air is properly skipped
Fix the side for the compatibility check. Should result in green ticks finally!
If a packet is not handled by the channel, log it, and clear it.
Could be spammy, but this is a serious bug and could cause a memory leak
otherwise.
Log the queue as well
Nullcheck the dispatchers on players. Should stop some crashes when spamming connectivity.