Added some JSDoc comments

v1.0.4

Add some jsdocs comments; renew devDeps packages versions.

Use local Mocha package for tests.

v1.0.3

Add Mocha to devDeps; use local Mocha on test pages; add NPM nodei.co…

Small fix in webpack config.

v1.0.2

Delete watching from webpack config (it is needed only for debug).

build/ directory is deleted

v1.0.1

Delete builds files.

First public API.

Simple and fast ES3-check that function is pure.