Merge branch 'hotfix/fix_buggy_imports'
Merge branch 'release/v0.1.2'
Merge branch 'release/v0.1.3'
Merge branch 'release/v0.1.4'
Merge branch 'release/v0.1.5'
Merge branch 'release/v0.1.6'
Merge branch 'release/v0.1.7'
Fixed travis.yaml for PyPI deployments.
Merge branch 'hotfix/v0.1.8' into develop