This is a bugfix release.

Notable changes:

 * lib: add missing callback call (Mykola Bilochub)
 * doc,deps: remove gitbook dependency (Mykola Bilochub)
 * deps: update dependencies (Mykola Bilochub)
 * connection: fix incorrect client-side message IDs (Mykola Bilochub)

PR-URL: https://github.com/metarhia/jstp/pull/340
Reviewed-By: Dmytro Nechai <nechaido@gmail.com>