New version provides these pool changes:
* bugfix for error counting before connection switch,
* explicit endpoint address in tree pool log messages.
Signed-off-by: Alex Vanin <a.vanin@yadro.com>
HTTP Gateway expects io.Reader to work with
payload, however `WithPayload` flag reads whole
payload into header object.
Signed-off-by: Alex Vanin <a.vanin@yadro.com>