function Parser(options){

    //inherit event functionality
    EventTarget.call(this);


    this.options = options || {};

    this._tokenStream = null;
}
A CSS3 parser.
@namespace parserlib.css
@class Parser
@constructor
@param {Object} options (Optional) Various options for the parser:
     starHack (true|false) to allow IE6 star hack as valid,
     underscoreHack (true|false) to interpret leading underscores
     as IE6-7 targeting for known properties, ieFilters (true|false)
     to indicate that IE < 8 filters should be accepted and not throw
     syntax errors.