2.1.0

• Added event parameter in examples for on
• Added transform(cssValue) which sets the transform value in css
• Added rotate(cssValue) which sets the rotatation in valid transform css
• Added state as a returned object which tracks metadata state
• Added removeMetaProp(metaKey) which removes a metaproperty
• Added deleteMeta() which removes all meta propertys
• Added return fn object where custom methods are stored
• Added _appendCustom(key, func) which appends a custom function to _().fn
• Added ESModules normal and minified
• Added offset() which returns the top and left coordinate
• Added shell scripts