def copy_object(source_container, source_object, target_container, target_object, options={})
response = Excon::Response.new
if @containers[source_container].nil? || @containers[source_container][source_object].nil? || @containers[target_container].nil?
response.body = '<html><h1>Not Found</h1><p>The resource could not be found.</p></html>'
response.status = 404
else
@containers[target_container][target_object] = @containers[source_container][source_object]
response.body = ''
response.status = 201
end
response
end