Pymilvus

**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`

Release date：2021-03-08
Compatible with Milvus v1.0.x
- Remove unused hybrids APIs (433)

New Feature:
- Not support python 3.5 any more

* Incompatibly support hybrid functionality. The changed APIs are:
- create_collection()
- create_index()
- drop_index()
- insert()
- search()
* Delete type class MetricType, IndexType

New Feature:
- Upgrade method `load_collection()` to support specify partitions