v0.2

Highlight: req2flatpak can now generate yaml output.

Features:

• Adds yaml output.
  It is now possible to generate yaml output by specifying a .yaml file extension
  or by specifying the --yaml commandline option.

Bugfixes:

• Fixes sorting when architecture is None - #34 <https://github.com/johannesjh/req2flatpak/pull/34>_
• Fixes exception handling with invalid platforms - #39 <https://github.com/johannesjh/req2flatpak/pull/39>_