Merge pull request #56 from paazmaya/master

Pass the socket configuration to MySQL connection
Merge pull request #57 from paazmaya/documentation

Notes about building
Ran rubocop -a
Versions, fix #58
Merge master
Add license #59
Merge pull request #60 from paazmaya/master

Versions, fix #58
Merge branch 'master' into rubocop
Add Travis CI configuration #61
Separate group for dependencies needed for tests
Merge pull request #62 from paazmaya/testing

Automated testing
Merge branch 'master' into rubocop
Merge pull request #63 from paazmaya/rubocop

Code style unification