bugfix: support for sending empty collection names (for OP_KILL_CURSORS)
bugfix: support for sending empty collection names (for OP_KILL_CURSORS)

oddjobz/txmongo,inspectlabs/txmongo,inspectlabs/txmongo,twisted/txmongo,psi29a/txmongo,claytondaley/mongo-async-python-driver,IlyaSkriblovsky/txmongo,claytondaley/mongo-async-python-driver