Fix date parser

Author: CodingCarlos

lib/validators/date.js

@@ -14,14 +14,14 @@ function isValid(data, model) {
 	if (data instanceof Date) {
 		return true;
 	}
+
 	// Try to parse data to Date;
 	var date = Date.parse(data);
-	if (!isNaN()) {
+	if (!isNaN(date)) {
 		data = new Date(date);
 		return true;
 	}
 
-
 	return false;
 }