Updated ignores.
BACKWARD-INCOMPATIBLE: Removed ``RealTimeSearchIndex`` in favor of ``SignalProcessors``.

This only affects people who were using ``RealTimeSearchIndex`` (or a
queuing variant) to perform near real-time updates. Those users should
refer to the Migration documentation.
Fixed the imports that would stomp on each other.

Thanks to codeinthehole, Attorney-Fee & imacleod for pointing this out.
Further docs on autocomplete.
That second colon matters.
Fixed the docs on debugging to cover v2. Thanks to eltesttox for the report.
Because Windows.