[twgit] Init feature 'feature-unit-tests'.
Add unit tests
[twgit] Init feature 'feature-doc'.
Merge branch 'feature-unit-tests' into feature-doc
Add PHP Doc.
add README.md
[twgit] Init feature 'feature-travis-coveralls'.
Merge branch 'feature-doc' into feature-travis-coveralls
test travis+coveralls
Follow PSR-2 coding standard.
[twgit] Init release 'release-1.1.0'.
Merge branch 'feature-unit-tests' into release-1.1.0
Merge branch 'feature-doc' into release-1.1.0
Merge branch 'feature-travis-coveralls' into release-1.1.0
update CHANGELOG.md
Merge branch 'release-1.1.0' into stable