chore: bump to 0.12.0 (#188)

Bump for 0.11.1 release (#144)

bump version ranges to 3.13 (#133)

stdlib_list: 0.10.0 (#100)

stdlib-list: 0.9.0 (#88)

stdlib_list: 0.9.0rc0 (#87)

Merge pull request #41 from CJ-Wright/add_py39_subs

add 39 submodules

Merge pull request #34 from sanjayankur31/py3.9

Add python 3.8 support (#26)

Add python 3.8 support

Merge pull request #18 from ocefpaf/no_tag_prefix

no tag prefix