scenario for KeySIO (rests)

debug KeySI & KeySIP : computation of runs

abstract classes (type erasure) for templates InnerRun and Record for application of Visitor Pattern for Runs

refactor main target squant2

refactor RT output function (print and write to file)
correction of multiplicities in Run and RT

filename utilities

included in target squant2

rename TimeSig to MeterSig

Clef from range

add printing of unpatched events

debug  construction of score model

- hierarchy of measure inl musical model
- engraving model : tree structure + performance annotations

Measure        -> MeasureStack
MeasurePart -> Measure

hierarchy of measures for storage of engraving trees
def. scoring environment (with voicing)
small change in def. voicing mono

extracted from InputSegment and InputSegmentQuantize

i.e. preprocessing step of voice numbers computation.