Reasnoing behind using GNU GPLv3:
* Permits modification
* Permits free distribution
* Permits private modifications
* Gives no warranty that this software works or works in an expected
way
* No liability for damage (if any is possible)
* Commonly used in FOSS software
Apparently, `re.match` checks for the first line ONLY. We have to use
`.search` instead.
Also nuked away that plaintext conversion, we have it in status already
as a property