Added query_async() and typeof().
Merge origin/master
Hardcoded example values for array_rand().
Added missing @Override tags
Merge pull request #194 from EntityReborn/master

Added extension caching for servers running on Windows.
Fixed uncatchable CRE.
Merge origin/master
Probable fix for NPE on new installations.
Removed duplicate mkdirs.
Fixed lineendings.
Moved ExtensionManager to c.lc.core.extensions. [Diff visibility]
Moved function and event initialization to the ExtensionManager.