USAGE="Usage: ${bold}pkg pkg-combine PKGNAME${endcolour}

Combine a package and its dependencies 
into a single PET package.

PKGNAME must be a valid repo package with 
at least one dependency.

With ${bold}--force${endcolour} you can force 
re-download of existing packages.

With ${bold}--ask${endcolour} you will be asked before 
each package is added to the list.

Supported environment variables:
HIDE_BUILTINS=false # include builtins in the package too"
