I never remember this

Should *both* be Perl's default.
cleanup
keep executable 'bit'

Only with regards to Git, i.e. one bit not 3. Still has ways to go.
use fatal undef in all new code

Should clean up the newpm.{old,new} mess.
fix: correctly match user names
remove username check to allow numeric ids
abort unless in root of working directory
handle multiple paths
no use to keep single-argument special case

it sorted the files anyway already, too
update to renamed Chj::Parallel{,_for_each}
create