d/changelog: Bump version to 0.0.1

debian/changelog

-calls (0.0~gite815677) UNRELEASED; urgency=low
+calls (0.0.1) UNRELEASED; urgency=low
 
   * Initial release.
 
- -- Bob Ham <rah@settrans.net>  Wed, 23 May 2018 14:06:02 +0100
+ -- Bob Ham <rah@settrans.net>  Tue, 04 Dec 2018 11:42:21 +0100