Merge pull request #21 from ewels/master

Formatting updates
Fix api documentation. Load ReadTheDocs theme if doc is build locally
Added logging module with minimal logger
Utils module with config loader
Wrapper for running dry methods. Fixes #18
Update docs
Merge pull request #22 from guillermo-carrasco/master

Some updates, so you can catch up and criticise ;-)
Merge pull request #2 from SciLifeLab/master

Merge upstream