Update dependencies

Author: pietercolpaert

lib/validator.js

@@ -1,7 +1,7 @@
 var N3 = require('n3');
 
 var validate =  function (turtleStream, callback) {
-  var parser = N3.Parser({ format: 'text/turtle' });
+  var parser = new N3.Parser({ format: 'text/turtle' });
   var errorCount = 0, warningCount = 0;
   var regexp = {
     'dateTime' : /^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[0-1]|0[1-9]|[1-2][0-9])?T(2[0-3]|[0-1][0-9]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)??(Z|[+-](?:2[0-3]|[0-1][0-9]):[0-5][0-9])?$/,