Version history: 0.3 -- Most features done, needs documentation and
                     -- bugtesting. 2003-12-29
Version history: 0.4 -- Allow comments in .kdecvs-buildrc
                     -- Reconfigure to allow more options to be
                        specified by module.  Now CXXFLAGS can be
                        set per module, for example.
                     -- Add new option to output the make process to
                        a file for shorter e-mails.
                     -- Automatically pulls in kde-common for cases
                        where something is getting checked out in
                        pieces.
                     -- Allows you to set QTDIR, KDEDIR, etc. in order
                        to install the result.
                     -- Added a few command line options.
                     -- Added the --pretend command line option which
                        gives a very verbose description of what the
                        script is going to do, without doing it.
Version history: 0.42
                     -- Various bugfixes
Version history: 0.43
                     -- Change code layout by refactoring some code into
                        its own function.  Especially the system calls
                        which must be protected if pretend is set.
Version history: 0.44
                     -- Fix CVS checkout bug caused by refactoring.
                     -- Add logging feature.  Now make output goes to
                        $kdecvs/log/$module-$output-file-name if the
                        make-output-file option is used.
                     -- Add --no-cvs command line option to temporarily
                        disable CVS updates.
                     -- Add --no-build command line option to temporarily
                        disable builds.
                     -- Add --build-system-only command line options to
                        only create the build system, but don't start
                        building.
                     -- Add --refresh-build command line option to force
                        to build system to be rebuilt.
Version history: 0.50
                     -- Allow building with UNSERMAKE
                     -- Added do-not-compile option to block compilation of
                        specific packages.