Log Message:
Update ruby-mustermannto 1.0.1.

**Mustermann 1.0.1** (2017-08-26)

#### Docs
* Updating readme to list Ruby 2.2 as minimum
* Fix rendering of HTML table
* Update summary and description in gemspec file.

#### Fixes
* avoid infinite loop by removing comments when receiving extended regexp
* avoid unintended conflict of namespace
* use Regexp#source instead of Regexp#inspect