common.rb

      def to_hash(args)
        splited = args.split
        if splited.count.even?
          returned_hash = Hash.new
          splited.each_with_index do |key,index|
            if index.even?
              returned_hash[key] = splited[index+1]
            end
          end
        else
          raise "Error arguments are not event"
        end
        returned_hash
      end

   def to_hash(args)
        args_array = args.split
        if args_array.count.even?
         index = 0
         better_name_for_hash_returned = args_array.inject({}) do |hash,ary|
            if index.even?
              better_name_for_hash_returned[ary[0]] = ary[index+1]
            end
            hash
          end
        else
          raise "Error arguments are not event"
        end
        better_name_for_hash_returned
      end