patch for cradle

cradle.patch

diff --git a/lib/cradle.js b/lib/cradle.js
index 7700ff6..db5e2a5 100644
--- a/lib/cradle.js
+++ b/lib/cradle.js
@@ -509,7 +509,9 @@ cradle.Connection.prototype.database = function (name) {
             }
 
             if (options && options.keys) {
-                this.query('POST', path, {}, options, args.callback);
+                var keys = options.keys;
+                delete options.keys;
+                this.query('POST', path, options, {keys:keys}, args.callback);
             } else {
                 this.query('GET', path, options, args.callback);
             }