New command "EraseTempiInRangeCommand"; "PasteConductorDataCommand"
New command ExpandFigurationCommand
Expand Figuration now accept multiple-bar figurations. Some cleanups.
Matrix view now sees selection signals again
Redid EventParameterDialog; dialog now has smarter defaults, new patterns.
Matrix editor's velocity ruler now stays up to date
ParameterPattern Situation object etc are now parameterized on event type.
Bugfix: LilyPondExporter class constants -> enumerations