whonix_gateway/usr/lib/whonix/cpf-tcpserver: using "read -r" instead of "awk" to fork fewer times; refactoring
whonix_shared/usr/lib/whonix/timesync/30_run-sdwdate: use "$(( ... ))" instead of "let"; better error message when /usr/bin/sdwdate has been set -x
fix