[Vimperator] unmap bug

[Aaron Bohannon]

When I type ":unmap foo" and hit ENTER, I am not returned to normal
mode, but rather my cursor is left in the command line, and the string
":unmap foo" is also left in the command line.  This is a bug, right?
This behavior seems to be consistent.  I also noticed it at least once
when using ":map" to create a binding, but have not been able to
duplicate it in that case.

-Aaron