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* [issue 8](https://github.com/dkrajzew/degrotesque/issues/8): added a [ChangeLog](https://github.com/dkrajzew/degrotesque/blob/master/CHANGES.md) file
* [issue 6](https://github.com/dkrajzew/degrotesque/issues/6): using a lower-case version of HTML when skipping elements
* [issue 9](https://github.com/dkrajzew/degrotesque/issues/9): change LICENCE to LGPL
* [issue 7](https://github.com/dkrajzew/degrotesque/issues/7): add an API description
* Added a masking function for not replacing minusses in ISBN and ISSN