Convert Twitter::Version class to a module

Rakefile

@@ -25,7 +25,7 @@ end
 
 require 'yardstick/rake/verify'
 Yardstick::Rake::Verify.new do |verify|
-  verify.threshold = 59.2
+  verify.threshold = 59.1
   verify.require_exact_threshold = false
 end
 

lib/twitter/version.rb

@@ -1,45 +1,45 @@
 module Twitter
-  class Version
-    class << self
-      # @return [Integer]
-      def major
-        6
-      end
+  module Version
+  module_function
 
-      # @return [Integer]
-      def minor
-        0
-      end
+    # @return [Integer]
+    def major
+      6
+    end
 
-      # @return [Integer]
-      def patch
-        0
-      end
+    # @return [Integer]
+    def minor
+      0
+    end
 
-      # @return [Integer, NilClass]
-      def pre
-        nil
-      end
+    # @return [Integer]
+    def patch
+      0
+    end
 
-      # @return [Hash]
-      def to_h
-        {
-          major: major,
-          minor: minor,
-          patch: patch,
-          pre: pre,
-        }
-      end
+    # @return [Integer, NilClass]
+    def pre
+      nil
+    end
 
-      # @return [Array]
-      def to_a
-        to_h.values.compact
-      end
+    # @return [Hash]
+    def to_h
+      {
+        major: major,
+        minor: minor,
+        patch: patch,
+        pre: pre,
+      }
+    end
+
+    # @return [Array]
+    def to_a
+      to_h.values.compact
+    end
 
-      # @return [String]
-      def to_s
-        to_a.join('.')
-      end
+    # @return [String]
+    def to_s
+      to_a.join('.')
     end
   end
 end