fix broken clean when apt was finished and ensure that terminal progress is updated when a new dpkg-loop is entered in dpkgpm.cc
add APT::String::Strip(), start cleanup of ProcessDpkgStatusLine
add $* to gdb to make it more useful
reshuffle dpkgpm.cc code a bit more
reshuffle the pkgDPkgPM::ProcessDpkgStatusLine() some more to make it more robust
use std::string instead of char* in pkgDPkgPM::ProcessDpkgStatusLine()