20.1.0
Prepare 20.1.0
Add attr.field (#669)
Update closure cell rewriting to use CodeType.replace() on 3.8 (#562)
Move package into src directory
Move resolve_types to _funcs and tweak docs
Fix doc
Rename _version.py into _version_info.py
Rename converters.chain to converters.pipe
Add on_setattr hooks to attr.s and attr.ib (#660)
Add default_role for Sphinx. (#571)
Fixes generics in mypy types (#443)
Add PEP484 stubs (#238)
fix comment typo
Fix some typing issues (#581)