Author: Jarno Suni
Revision Date: 2016-03-14 12:59:23 UTC

Use only apt-get, no aptitude. Added simulation mode. Can restore .list
files. Tests for internet connection. Improved handling of regular
expressions. Verbose mode to show progress for apt-get update. --force-yes
option not used for apt-get. Option to skip initial apt-get update. User
can abort apt-get when using command prompt with no problem. Improved usage.
Let user choose to continue even if apt-get update fails.