core: fixes in response_parser's processing of chunked bodies
core: fixes in response_parser's processing of chunked bodies

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