kl: add a missing chomp()

Probably doesn't affect much (oddly), but it *should* be here.
kc: wrap the ccache display code in a function

outdent++!
kc: minor style fixes
kl: minor style fixes
kc: work without Lib.pm
kc: split usage into a function
kl: switch to Getopt::Long and clean up the usage text
xdg-trash: whitespace
Lib.pm: skip anon functions called by modules
gnome-mpris-inhibit: use Lib.pm for error messages
gnome-mpris-inhibit: use get_bus_object()
gnome-mpris-inhibit: bring back --verbose
clean up Lib.pm stubs
xdg-trash: add --help text, clean up globals
2nd attempt at consistent code layout
gnome-mpris-inhibit: use constants for interface names
mpris: report error for unknown options
mpris: sort metadata keys
mpris: sort players by name

enumerate() did this, but enumerate_unique() forgot.
kc: use the same flag for current ccache regardless of environment