* [ASDataController] Add some assertions to clarify what queues things happen on
* [ASCollectionDataController] Optimize willReloadData
* [ASDataController] Minor optimizations, no functional changes
* [ASDataController] Always reload data on _editingTransactionQueue
* [ASDataController] Remove async data fetching option, deprecate callbacks
* [ASDataController] Not mutable
* [ASMultidimensionalArrayUtils] Use fast enumeration
* Optimize ASMultidimensionalArrayUtils