Version 0.2.0

Raw content support

A notes content can now be viewed and edited in XML form instead
of markdown. Call the command edit, new, or note with the --raw
flag to edit, create, or view the note content in XML format.

Start the browser in the background

The external browser during login is now started in the background.

Bugfix empty notes returned

The XML decoder was to strict which could cause it to fail and an
empty note content was returned. The new decoder is less strict.