History addition.
Merge branch 'develop'
Version bump 0.3.0
Version bump 0.3.0
Merge branch 'master' of github.com:dmytro/nagira
Bugfix. version bump.
Version bump, fix Travis build.
Add check for Ruby version in gemspec and documentation for the requirement.
Merge branch 'master' into develop
Version bump

Documentation and gemspec bugfix for Ruby version.