Updated the bundle dependencies.

Gemfile.lock

@@ -1,27 +1,26 @@
 PATH
   remote: .
   specs:
-    rubytree (0.9.5pre6)
+    rubytree (0.9.5pre7)
       json (~> 1.8)
       structured_warnings (~> 0.2)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    coveralls (0.8.0)
-      multi_json (~> 1.10)
+    coveralls (0.8.1)
+      json (~> 1.8)
       rest-client (>= 1.6.8, < 2)
-      simplecov (~> 0.9.1)
+      simplecov (~> 0.10.0)
       term-ansicolor (~> 1.3)
       thor (~> 0.19.1)
     docile (1.1.5)
-    domain_name (0.5.23)
+    domain_name (0.5.24)
       unf (>= 0.0.5, < 1.0.0)
     http-cookie (1.0.2)
       domain_name (~> 0.5)
     json (1.8.2)
-    mime-types (2.4.3)
-    multi_json (1.11.0)
+    mime-types (2.6.1)
     netrc (0.10.3)
     power_assert (0.2.3)
     rake (10.4.2)
@@ -33,21 +32,21 @@ GEM
     rtags (0.97)
     rtagstask (0.0.4)
       rtags (> 0.0.0)
-    simplecov (0.9.2)
+    simplecov (0.10.0)
       docile (~> 1.1.0)
-      multi_json (~> 1.0)
-      simplecov-html (~> 0.9.0)
-    simplecov-html (0.9.0)
+      json (~> 1.8)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.0)
     structured_warnings (0.2.0)
     term-ansicolor (1.3.0)
       tins (~> 1.0)
-    test-unit (3.0.9)
+    test-unit (3.1.1)
       power_assert
     thor (0.19.1)
-    tins (1.3.5)
+    tins (1.5.2)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.6)
+    unf_ext (0.0.7.1)
     yard (0.8.7.6)
 
 PLATFORMS
@@ -62,3 +61,6 @@ DEPENDENCIES
   rubytree!
   test-unit (~> 3.0)
   yard (~> 0.8)
+
+BUNDLED WITH
+   1.10.2