platform.rb in shuhari-0.1.1

- old
+ new

@@ -19,9 +19,13 @@
 
     def linux?
       os == :linux
     end
 
+    def windows?
+      os == :windows
+    end
+
     def os
       @os ||= case RUBY_PLATFORM
               when /darwin/ then :osx
               when /linux/ then :linux
               when /win32/, /mingw32/ then :windows