Stop Project->diff() blowing up when no parent is specified, and commit
-rw-r--r-- .gitignore
-rw-r--r-- Changes
-rw-r--r-- ISSUES
-rw-r--r-- Makefile.PL
-rw-r--r-- README
-rw-r--r-- TODO
-rw-r--r-- gitalist.conf
-rw-r--r-- gitweb.conf
drwxr-xr-x lib
drwxr-xr-x root
drwxr-xr-x script
drwxr-xr-x t