gm 1.0.4

Recognize Shiny apps.

gm 1.0.3

Change default score margin to 0.
Add "MuseScore Command Line Options" in vignette("gm").
Improve show() and export() to accept MuseScore command line options (#10).

gm 1.0.2

Fix bug of not showing scores when knit to PDF or Word (#9).
Make filling rest notes after Lines invisible.
Add short introduction in Chinese.
Add "Comparison" section in vignette("gm").

gm 1.0.1

Improve Line() to accept non-logical NA as pitch.
Improve error message for pitches in Line().
Fix bug of incorrect default MuseScore path for Windows (#1).
Fix bug in error message for durations in Line().
Add acknowledgement.