Add support for continuation frames on WebSockets

Signed-off-by: John Oliver <johno@insightfullogic.com>
Rename API methods to not be of getX style.

Signed-off-by: John Oliver <johno@insightfullogic.com>
don't create new auth if one exists already
Make sure websocket uri is created using raw path and query
release 2.1RC2
inced release