3 commits

Author	SHA1	Message	Date
Olaoluwa Osuntokun	b3d8578868	gcs: add witness stack items to filter, update tests	2018-05-15 19:14:18 -07:00
Alex	12e95e2790	gcs: improve test coverage for builder	2018-05-15 19:14:18 -07:00
Alex	6654eb61e4	Add filter builder and some tests	2018-05-15 19:14:18 -07:00