Gemfile.lock in docker-spoon-0.2.0 vs Gemfile.lock in docker-spoon-0.3.0

@@ -1,11 +1,12 @@
 PATH
   remote: .
   specs:
-    docker-spoon (0.1.1)
+    docker-spoon (0.3.0)
       docker-api (~> 1.11)
       methadone (~> 1.4.0)
+      rainbow (~> 2.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     archive-tar-minitar (0.5.2)
@@ -34,9 +35,10 @@
     json (1.8.1)
     methadone (1.4.0)
       bundler
     multi_json (1.10.1)
     multi_test (0.1.1)
+    rainbow (2.0.0)
     rake (0.9.6)
     rdoc (4.1.1)
       json (~> 1.4)
     rspec-expectations (3.0.3)
       diff-lcs (>= 1.2.0, < 2.0)