- Update to version 20201102.31ccfc2:
* fix python_clone shebang replacement
* one less expansion for python_exec
* expand default %python_ macros earlier
* update README for multiple flavors
* more command delimiters for %python_expand

- Update to version 20201022.7f87908:
* Add python36 and python38 flavours.

- Update to version 20201021.adb6953:
* Prepare for multiple python3 flavors
- Remove multiple_flavors.patch as it is included in the upstream
tarball.

- Update to version 20201016.5d22545:
* fix whitespace after escape in compileall macro

- Update to version 20201016.db09189:
* Delete pycache files before compilealll
* Update macros/010-common-defs
* Reword compileall
* mention pyproject.toml and link to PEP517 and PEP518
* add description for pyunittest macro
* add description for python_compileall macro
* add description for pyproject macros
* add python_compileall macro and use it in pyproject_install
* disable pip version check: no connection to pypi.org

- Update multiple_flavors.patch to generate correct names of the