- Add the ability to have a comments file when creating .sfv files.

- Better README this will have to be a constant upgrade.

- Make verbose by default a compile time option.

- Option to recurse subdirectories (supported for reading SFV, but not writing).

- More meaningfull exit values.

- Show an estimated time to complete checks and the creation of new sfv files.

- fix rpm creation

- add deb support

- exit with error on first false checksum or fault
