Ideas in no special order

* Configurable popup menu

* Per-repository settings like compression,
  enabling of watch/edit/lock features

* Make change log font configurable

* Log dialog option: Show only tagged revisions

* Log dialog option: Show only your revisions

* Log dialog: Allow to select latest on branch

* Multi Log view

* Diff against HEAD

* Diff between any revision and the sandbox

* Implement "Add to .cvsignore"

* Make colors customizable

* cvs init

* Checkout by tag

* Implement a nice workaround for $CVSROOT/CVSROOT/cvsignore
