gplugin/gplugin

Update the change log and adjust the version number for new api

Testing Done:
Compiled and ran the unit tests.

Reviewed at https://reviews.imfreedom.org/r/1348/
EionRobb <> EionRobb <eion@robbmob.com>
ivanhoe <107501-ivanhoe@users.noreply.gitlab.com> ivanhoe <ivanhoe@fiscari.de>
Richard Laager <rlaager@pidgin.im> <rlaager@wiktel.com>