Merge branch 'release/0.0.87' into develop
src: add instance method 'rank()'
test: add instance method 'rank()' testings
lint: add some files for linting pass
readme: add instance method 'rank()' api
example: support LiveScript 1.3.0
npm: 0.0.87 -> 0.0.88
Merge branch 'release/0.0.88'