PYCBC-182: Clarify conncache documentation
PYCBC-182: Clarify conncache documentation

Change-Id: I72627fcc4ead484640cc25a1f588afa91cc58118
Reviewed-on: http://review.couchbase.org/29277
Reviewed-by: Matt Ingenthron <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@couchbase.com>
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>

mnunberg/couchbase-python-client,couchbase/couchbase-python-client,mnunberg/couchbase-python-client,couchbase/couchbase-python-client