[http] HttpRequest: added more documentation and wiped out dead code on the way through.
[http] HttpRequest: added more documentation and wiped out dead code on the way through.

christianparpart/x0,xzero/x0,christianparpart/x0,xzero/x0,xzero/x0,christianparpart/x0,christianparpart/x0,xzero/x0,christianparpart/x0,xzero/x0,christianparpart/x0,xzero/x0,christianparpart/x0