* `fromcp2k` now has a `-f/--format` to select the format
* `fromcp2k` can now emit an aiida-cp2k calculation run script template
* the API now has a `CP2KParserAiiDA` which sets the required options
  to generate an aiida-cp2k compatible parameter dictionary, as a convenience
  function instead of the user having to tune `CP2KParserSimplified`
* unit parsing is now case insensitive
* the exception thrown by the parser now includes more context by
  referencing the current Section
* more documentation