Release date：2021-04-29
Compatible with Milvus v1.1.x
Fixed bugs:
- Force using http/https scheme with http-handler(#497)
Enhancements:
- Bump jinja2 pygments and py(#498)
- Complete all tests( #295)
- Remove Numpy in require packages (#456)
API updating(#484):
- updating
get_entity_by_id and delete_entity_by_id, add new parameter "partition_tag"
- new api
release_collection
