docs: function PhantonmJsPdf(){
  	this.session = null;
  
  	this.createToken = function () {
  	    return 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
  	        var r = Math.random()*16|0, v = c === 'x' ? r : (r&0x3|0x8);
  	        return v.toString(16);
  	    });
  	};
  }