Merge branch 'release/0.0.33' into develop
src: fixed a mistake
src: added instance method 'isIdentity()'
test: added instance method 'isIdentity()' testings
lint: added some files for linting pass
readme: added instance method 'isIdentity()' api
Merge branch 'feature/instance_method_isIdentity' into develop
readme: update instance method 'isIdentity()' api
npm: 0.0.33 -> 0.0.34
Merge branch 'release/0.0.34'