Merge branch 'zeromq-client' into element-attribute-service-client
Merge branch 'zeromq-client' into element-attribute-service-client
Merge branch 'zeromq-client' into element-attribute-service-client
Merge branch 'element-attribute-service-client' into element-type-service
Merge branch 'element-type-service' into element-type-service-client
Bug fix: exists? -> exist?

Signed-off-by: selmeci <selmeci.roman@gmail.com>