Bump version to `0.6.0`

Prepared for `0.5.1` release

Prepared for `0.5.0` release

Bump version to `0.4.5`

Merge branch 'develop'

Added help to `sms`: `view`&`send`, version bump

Version `0.4.2` (hotfix) release

`0.4.1` hotfix

Version `0.4.0` release

Version `0.3.1` release