fixed Array display bug

lib/session.js

@@ -90,7 +90,7 @@ exports.createSession = function (conn, debuggerPort) {
           return f;
         });
   }
-   
+
   function evaluate(expr, frame, andThen) {
     if (['require', 'exports', 'module', '__filename', '__dirname'].indexOf(expr) > -1) {
       andThen({success: false, message:'could not evaluate \'' + expr + '\'' });
@@ -281,7 +281,7 @@ exports.createSession = function (conn, debuggerPort) {
                       props = objProps.map(function(p) {
                         var r = refs[p.ref];
                         return {
-                          name: p.name,
+                          name: String(p.name),
                           value: refToObject(r)
                         };
                       });