nl_tokens: Runs the conditions in the condition set and returns a boolean as a result
pl_tokens: function ( obj ) { var matches = this . sequence [ 0 ] . matches ( obj ) ; for ( var i = 1 ; i < this . sequence . length ; i += 2 ) { if ( this . sequence [ i ] === '&' ) matches = matches && this . sequence [ i + 1 ] . matches ( obj ) ; else matches = matches || this . <mask> [ i + 1 ] . matches ( obj ) ; } return matches ; }