added a test case to exercise a bug in $args (it requires the setting_args_invalidates_uri patch for the nginx core to pass).
added a test case to exercise a bug in $args (it requires the setting_args_invalidates_uri patch for the nginx core to pass).

yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx