Gemfile.lock in either-0.0.1 vs Gemfile.lock in either-0.0.2

@@ -1,14 +1,16 @@
 PATH
   remote: .
   specs:
     either (0.0.1)
+      optional
 
 GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.2.4)
     multi_json (1.7.7)
+    optional (0.0.6)
     rake (10.1.0)
     rspec (2.13.0)
       rspec-core (~> 2.13.0)
       rspec-expectations (~> 2.13.0)
       rspec-mocks (~> 2.13.0)