Changed up setup's output for text a bit, to ensure users know what to do.
Fixed potential bugs that could crop up while changing the PLATFORM variable. It was not correctly used everywhere.
Attempt an Arch Upgrade after copying internal directory into the sysroot. Added a header to the configuration file too.
Added a resolv.conf file to the internal directory, and removed the echo line. It should be copied once it reaches the point of copying internal files