fts: don't assume params are ascii encoded
fts: don't assume params are ascii encoded

Change-Id: I00fcae62c3c0865cd6ae894917aacea963b1bbdb
Reviewed-on: http://review.couchbase.org/69715
Reviewed-by: Will Gardner <5d7e5a4e8e63c739e07f011adf51f2e51dd3ec09@rdner.io>
Tested-by: Mark Nunberg <dab05a0fe859c5cb93882b2a75a0d613501b07be@couchbase.com>
Reviewed-by: Subhashni Balakrishnan <7129c8e37b832c7bd362ff375532d24b98ef5162@gmail.com>

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