update modules and etc

update mods

Merge remote-tracking branch 'origin/packages'

Merge pull request #2 from alexeyxo/packages

update packages

v4: TestNewClientResponsesTotalStatsHandler

v4: TestNewClientConnectionsStatsHandler and ClientConnectionsStatsHa…

…ndler label order fix

Merge pull request piotrkowalczuk#23 from ash2k/ash2k/fixes

Various fixes

baseStatsHandler.TagConn - port removed from remote address tag to re…

…duce cardinality.

README.md v4 fix

Merge pull request piotrkowalczuk#10 from piotrkowalczuk/client-serve…

…r-logic-separation

Client/Server logic separation