Improved command repetition.

Dot-based command repetition works again:

Here's an example that repeats 'scores - tour next (stn)':

    Score manager - example scores

        1: Blue Example Score (2013)
        2: Green Example Score (2013)
        3: Red Example Score (2013)

        scores - new (new)

    > stn

    Blue Example Score (2013)

        build (u)
        makers (k)
        materials (m)
        segments (g)
        setup (p)
        templates (t)
        stylesheets (y)

    > .

    Green Example Score (2013)

        build (u)
        makers (k)
        materials (m)
        segments (g)
        setup (p)
        templates (t)
        stylesheets (y)

    > .

    Red Example Score (2013)

        build (u)
        makers (k)
        materials (m)
        segments (g)
        setup (p)
        templates (t)
        stylesheets (y)

    > .

    Blue Example Score (2013)

        build (u)
        makers (k)
        materials (m)
        segments (g)
        setup (p)
        templates (t)
        stylesheets (y)

    > q