many (f)printf to qDebug
add comment about #24733
fix #25018 [MusicXML Export] hairpin ending at score end exported incorrectly
fix divisions and duration values testSlurs.xml
avoid compiler warning

introduced in 6ea4610
Merge pull request #790 from Jojo-Schmitz/warning

avoid compiler warning
Merge pull request #789 from lvinken/mtest-musicxml-updates

Mtest musicxml updates
Merge pull request #787 from Jojo-Schmitz/printf2qDebug

many (f)printf to qDebug