Merge pull request #112 from pocke/Add___close__to_Reader_and_Writer

Add `#close` to Reader and Writer

Author: mtsmfm

lib/language_server/protocol/transport/io/reader.rb

@@ -21,6 +21,10 @@ def read(&block)
             end
           end
 
+          def close
+            io.close
+          end
+
           private
 
           attr_reader :io

lib/language_server/protocol/transport/io/writer.rb

@@ -28,6 +28,10 @@ def write(response)
             io.print response_str
             io.flush
           end
+
+          def close
+            io.close
+          end
         end
       end
     end