* Hotfix for BZIP2 binary, due to latest Alpine layout modifications, is now applied when the container is created, removing the error `n: /bin/bzip2: File exists` when container is restarted.
* Add and configure circus, an alternative to supervisor, compatible with Python 3, with better control over environment variables propagation, and network sockets supervision (not used yet here)
* Mandatory perl modules for Backuppc are now installed as pre-compiled binaries from Alpine repos
### Changed
* Circus replaces Supervisor and manages now lighttpd + backuppc daemons
* Update Alpine base image to 3.8
* Update python from 2.7 to 3.6
* Improve build artifacts cleaning, image sized down from 78MB to 65MB
### Removed
* Remove supervisor and its configuration
* Remove build logic used to compile the mandatory perl modules
## [4.2.1] - 14/05/2018
### Changed
* Update BackupPC to 4.2.1
## [4.2.0] - 22/04/2018
### Changed
* Update BackupPC to 4.2.0
## [4.1.5-2] - 02/02/2018
### Changed
* Update Alpine base image to 3.7
* Update rsync-bpc to 3.0.9.12
## [4.1.5-1] - 28/12/2017
### Changed
* Update rsync-bpc to 3.0.9.11
* Update par2cmdline to 0.8.0
## [4.1.5] - 04/12/2017
### Changed
* Update BackupPC to 4.1.5
* Update perl lib BackupPC::XS to 0.57
* Update rsync-bpc to 3.0.9.9
## [4.1.4] - 29/11/2017
### Changed
* Update BackupPC to 4.1.4
## [4.1.3-10] - 15/11/2017
### Added
* Extends possibilities of `BACKUPPC_UUID`/`BACKUPPC_GUID`: previously existing `UUID`/`GUID` (like 100) in container could not be reused without error. This version now handles it: any `UUID`/`GUID` can be used.
* Extended supervisord logging capabilities over backuppc and lighttpd instances.
## [4.1.3-9] - 01/10/2017
### Added
* Add missing runtime libraries mandatory for par2
### Changed
* Update par2cmdline to 0.7.4
## [4.1.3-8] - 02/09/2017
### Changed
* TimeZone: fix inverted check of TZ, from PR #5 of @merikz
## [4.1.3-7] - 13/08/2017
### Changed
* Correct MIME types provided by the lighttpd server (issue #4 by @vb4life)
* Update par2cmdline to 0.7.3
## [4.1.3-6] - 02/08/2017
### Changed
* Add env variable driven timezone
## [4.1.3-5] - 23/07/2017
### Changed
* Disabling strict hostkey checking. As per the comment this should be the intended behavior.