release: 1.3.84

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* pmx2ly, PMX to LilyPond conversion. Succesfully converts barsant.pmx.

* musedata2ly, a Musedata to LilyPond convertor. Succesfully converts
wtk1-fugue2

* bugfixes for dynamics: make sure that dynamic alignments encompass
the dynamics they support, and that any columns they attach to aren't
prematurely killed.

* bugfix: make sure \time gets noticed early enough.

1.3