v0.9.0: Initialize listeners via RecreateListeners function

This commit refactors the listener template to initialize variables
when RecreateListeners is called. The reason for this is that a
listener is closed when the gRPC server goes down, so a new
instance must be created.

v0.7.1

Merge pull request #7 from halseth/semantic-versioning

bump version to v0.7.1

v0.7.0

Merge pull request #6 from halseth/localhost-name

use localhost name when dialing