Bump version to v0.7.3 (#506)

* Bump version to v0.7.3

* remove python3.6

fix publish to pypi (#439)

Merge pull request #423 from open-mmlab/plyfager/restart-publish

[Fix] Restart publish

Merge pull request #288 from plyfager/v0.7.1

Bump version to 0.7.1

Merge pull request #278 from plyfager/v0.7.0

Bump version to 0.7.0

Bump version to 0.6.0 (#259)

* bump version to 0.6.0

* update changelog

* update changelog

Bump version to 0.5.0 (#214)

* dumps to 0.5.0

* fix known issue

* fix bug

* update chenge log

* update chenge log

bump to v0.4.0 (#157)

[Update] v0.3.0 (#84)

* change version number

Merge pull request #35 from nbei/0.2.0

Bump to version v0.2.0