This release fixes and improves WebSocket transport.

All changes:

 * ws,server: fix server crash (Mykola Bilochub)
 * test: add regression test for GH-380 (Alexey Orlenko)
 * deps,lint: update eslint-config-metarhia (Mykola Bilochub)
 * ws,server: change max frame and message size (Mykola Bilochub)

PR-URL: https://github.com/metarhia/jstp/pull/384
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Timur Shemsedinov <timur.shemsedinov@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: Dmytro Nechai <nechaido@gmail.com>