GitLab

* Bump to v0.13.0

* modify version.py and be more specific in changelog.md

* space before brackets

* specific pytorch 1.8 issue

* version in getting_started.md

* fix bugs

* add few bugfix

* Update changelog.md

* Update changelog.md

* Update getting_started.md

* Adjust the orders of bug fixes

* Update getting_started.md

* Update changelog.md
Co-authored-by: twang <30491025+Tai-Wang@users.noreply.github.com>