commit type

Hi--

I have a feature request.

I'd like to be a able to add a commit type to my commits, like 'major', 'minor',
'bug', etc. it would be useful in reviewing changes, especially when listing
changes for end-users to see, because then miscellaneous/administrative commits
could be omitted and only changes important to users listed.

Currently I achieve this by adding "[type]" to the end of my commit messages.
But of course that's less than optimal. I think being able to add a commit type
would be generally useful to everyone, and really has no downside becuase you do
not need to use it if you prefer not.

Thanks,
trans.