2 - only try and mkdir the .git if it doesn't already exist so repeated
3 test runs don't explode
5 - switch .svn to .git in smells-of-vcs test and create it ourselves
6 to ease importing of this dist into subversion repositories
8 - add multidimensional and bareword::filehandles in author mode
10 - disable uninitialized warnings before calling ->SUPER::VERSION
12 - enable extra testing only if .git or .svn present to keep requirement
13 for extra modules author-side