# File lib/couchrest/rest_api.rb, line 64
    def copy(uri, destination, options = {})
      opts = options.nil? ? {} : options.dup
      # also copy headers!
      opts[:headers] = options[:headers].nil? ? {} : options[:headers].dup
      opts[:headers]['Destination'] = destination
      execute(uri, :copy, opts)
    end