Alexander Solovyov <piranha@piranha.org.ua> [Thu, 25 Dec 2008 10:48:24 +0200] rev 7547
python implementation of diffstat
Implemented as two functions: diffstat, which yields lines of text,
formatted as a usual diffstat output, and diffstatdata, which is called
inside diffstat to do real performing and yield file names with
appropriate data (numbers of added and removed lines).