Updated TaleaRhythmMaker IDE commands.

Example:

    Abjad IDE - materials - talea rhythm maker (Bača) (EDIT)

       1: talea (t): Talea(counts=(1, 2, 3, 4), denominator=16)
       2: split divisions by counts (sd):
       3: extra counts per division (ec):
       4: beam specifier (bs):
       5: burnish specifier (us):
       6: duration spelling specifier (ds):
       7: tie specifier (ts):

          done (done)
          none (none)

    |>

The TaleaRhythmMaker IDE commands are: (t), (sd), (ed), (bs), (us), (ds), (ts).

INTERFACE: there will probably be a preference for 1- and 2-character IDE
commands for objects in the core API.