fix typo in changelog

test and fix log_repr

Merge remote-tracking branch 'plq/2_12' into 2_12

Merge branch 'master' into 2_12

Merge remote-tracking branch 'plq/master'

start idle timer when the connection is established

cancel idle timer on disconnection

Merge pull request arskom#455 from plq/master

more stabilization

fix validate_native call

make custom type validation a bit more difficult