fixing idiotic mistake in grouped-map-reduce that caused it to break (really need tests...)
fixing idiotic mistake in grouped-map-reduce that caused it to break (really need tests...)

rogersm/cl-rethinkdb,rogersm/cl-rethinkdb,dparnell/cl-rethinkdb,nightshade427/cl-rethinkdb,nightshade427/cl-rethinkdb,orthecreedence/cl-rethinkdb,orthecreedence/cl-rethinkdb,dparnell/cl-rethinkdb