StatusCode identifier as text phrase
meaning = getReasonPhrase( returns
the status code identifier as a string (English only) with punctuation
and spacing added. The meaning is based on the numeric code.
not necessarily the same as the
that the server inserts into the status line of a response message.
sc = matlab.net.http.StatusCode(500); res = getReasonPhrase(sc)
res = 'Internal Server Error'