Reformat docstrings for several HandshakeTest functions to Sphinx format.
Reformat docstrings for several HandshakeTest functions to Sphinx format.

Includes updates to docstrings for functions:
 * makeConnection()
 * connectionFailed()
 * connectionSucceeded()
 * connectionShutdown()
 * handleWantRead()
 * handleWantWrite()
 * doHandshake()
 * handshakeSucceeded()
 * handshakefailed()

Karthikeyan-kkk/ooni-probe,kdmurray91/ooni-probe,kdmurray91/ooni-probe,kdmurray91/ooni-probe,0xPoly/ooni-probe,lordappsec/ooni-probe,Karthikeyan-kkk/ooni-probe,juga0/ooni-probe,juga0/ooni-probe,lordappsec/ooni-probe,0xPoly/ooni-probe,juga0/ooni-probe,lordappsec/ooni-probe,0xPoly/ooni-probe,juga0/ooni-probe,lordappsec/ooni-probe,Karthikeyan-kkk/ooni-probe,Karthikeyan-kkk/ooni-probe,0xPoly/ooni-probe,kdmurray91/ooni-probe