<a name="createLog"></a> ## createLog(label, filename) ⇒ <code>object</code> createLog() - Returns a winston logger configured to service **Kind**: global function **Returns**: <code>object</code> - Winston logger | Param | Type | Default | Description | | --- | --- | --- | --- | | label | <code>string</code> | | Label appearing on logger | | filename | <code>string</code> | <code>null</code> | Optional file to write log to |