added Gemfile for easy installation of all

dependencies

Gemfile

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+source 'http://rubygems.org/'
+
+gem 'activesupport', '>= 2.3.0'
+gem 'json', '>= 1.0.0'
+gem 'redis', '>= 2.0.0'
+gem 'time_ext', '>= 0.2.6'
+
+group :development do
+  gem 'rspec', '>= 2.0.1'
+  gem 'yard', '>= 0.6.1'
+end

Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    activesupport (3.0.3)
+    diff-lcs (1.1.2)
+    json (1.4.6)
+    redis (2.1.1)
+    rspec (2.1.0)
+      rspec-core (~> 2.1.0)
+      rspec-expectations (~> 2.1.0)
+      rspec-mocks (~> 2.1.0)
+    rspec-core (2.1.0)
+    rspec-expectations (2.1.0)
+      diff-lcs (~> 1.1.2)
+    rspec-mocks (2.1.0)
+    time_ext (0.2.6)
+      activesupport (>= 2.3.0)
+    yard (0.6.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  activesupport (>= 2.3.0)
+  json (>= 1.0.0)
+  redis (>= 2.0.0)
+  rspec (>= 2.0.1)
+  time_ext (>= 0.2.6)
+  yard (>= 0.6.1)