Non-Debian Base Image Support

[jhead]

Hi there! Thanks for this awesome project, I'm excited to try it out.

I noticed that fastfeeze runs into some errors on CentOS, Fedora, and Ubuntu-based Docker containers. Is this a known limitation / is there any plan to support non-Debian distros in the future?

centos:8

[root@83b562d794f3 ~]# fastfreeze install
Segmentation fault

fedora:32

[root@a0deafd5ab4c ~]# fastfreeze install
Illegal instruction

ubuntu:20.04

root@fe4457783ae6:~# fastfreeze install
Illegal instruction

I can use Debian in the meantime so this isn't a huge problem right now, just curious. Thanks in advance!