patch::: 1.3.86.jcn1

patch::: 1.3.86.jcn1

1.3.86.jcn1
===========

* Fixed chord iteration.

1.3.85.jcn5
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* Modified part-combiner to use new get_music ()/next () music iterator
  functionality.

1.3.85.jcn4
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* Added clone () to music iterators, so that we can do next () on a copy.

1.3.85.jcn3
===========

* Added get_music () and next () to music iterators.