Delete sample build config
Merge branch 'dev'
Merge branch 'dev'
Merge branch 'dev'
Merge pull request #1 from oo12/dev

v2.0.0-pl
Merge branch 'master' of https://github.com/oo12/setPlaceholders
Merge branch 'dev'
Make child selector chainable
Merge branch 'dev'
Merge branch 'dev'
documentation correction
Improve the next/previous example
Merge branch 'master' into dev