Ensure to pass typeScopedContext when processing arrays.

Author: dlongley

lib/expand.js

@@ -119,7 +119,8 @@ api.expand = ({
         element: element[i],
         options,
         expansionMap,
-        insideIndex
+        insideIndex,
+        typeScopedContext
       });
       if(insideList && (_isArray(e) || _isList(e))) {
         // lists of lists are illegal