3.7.0: Merge pull request #106 from carlgarner/update_debian_default
- Add support for Ubuntu 18.04 LTS (thanks @rogermartensson)
- Improved support for Debian 9 (thanks @carlgarner)
- Improvements to huntgroups (thanks @amateo)
- General bug fixes (thanks @infracaninophile, @coreone and @olivierlm)