Debian is supported, too

I've tried out your module on Debian, and it modifies the fstab modified as desired. In addition, I've Googled around, and [Debian’s fstab format][1] is the same as [Red Hat’s][2].

[1]: http://wiki.debian.org/fstab
[2]: https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/4/html/Introduction_To_System_Administration/s2-storage-mount-fstab.html