-browser: check for aborted state (cb === null) in each asynchronous call and after each userland call; handle case when content-length is not sent
-browser: check for aborted state (cb === null) in each asynchronous call and after each userland call; handle case when content-length is not sent

fuzeman/httpinvoke,fuzeman/httpinvoke,jakutis/httpinvoke,jakutis/httpinvoke,npmcomponent/jakutis-httpinvoke