Merge branch 'release/0.4.0' into develop

* release/0.4.0:
  bump version
Verion bumped
Merge branch 'hotfix/0.4.1' into develop

* hotfix/0.4.1:
  rebumping version in Gemfile.lock
actually adding files
Bump version.
Merge branch 'release/0.4.2'

* release/0.4.2:
  Bump version.
  actually adding files
  Verion bumped