Rename ulfius_send_request_init to ulfius_global_init and ulfius_send_request_close to ulfius_global_close
Rename ulfius_send_request_init to ulfius_global_init and ulfius_send_request_close to ulfius_global_close

And extend its context

babelouest/ulfius,babelouest/ulfius,babelouest/ulfius