Fix docstring formatting and elaborate some docstrings.
Fix docstring formatting and elaborate some docstrings.

petchat/streamparse,hodgesds/streamparse,phanib4u/streamparse,msmakhlouf/streamparse,petchat/streamparse,crohling/streamparse,msmakhlouf/streamparse,Parsely/streamparse,msmakhlouf/streamparse,scrapinghub/streamparse,eric7j/streamparse,petchat/streamparse,msmakhlouf/streamparse,codywilbourn/streamparse,hodgesds/streamparse,petchat/streamparse,Parsely/streamparse,crohling/streamparse,scrapinghub/streamparse,codywilbourn/streamparse,scrapinghub/streamparse,eric7j/streamparse,scrapinghub/streamparse,msmakhlouf/streamparse,scrapinghub/streamparse,petchat/streamparse,phanib4u/streamparse