Benny

Can't compile with '"module": "amd"'

1

I get following errors if I try to compile it with amd-target: ``` src/tree/xpath/XPath.ts(89,9): error TS2339: Property 'recover' does not exist on type 'XPathLexer'. src/tree/xpath/XPath.ts(91,9): error TS2339: Property 'removeErrorListeners' does...

Added export for the ratings.