Release `v1.8.0`

[napulen]

• Fix Implement texturization patterns for nonbinary time signatures #87
• Fix Rename CommonRomanNumerals31 -> RomanNumeralNumerator31 #86
• Fix Implement MeasureNoteOnset14 as MeasureOnset7 + NoteOnset7 #85
• Fix Rename Duration14 -> MeasureNoteOnset14 #84
• Fix Rename LocalKey35 and TonicizedKey35 to "38" #49
• Fix Change default inputRepresentations #90
• Fix Reverse logic of transposition #95
• Fix Remove padding from train.evaluate #56
• Fix Rename haydnop20 to haydnsun #72
• Change __version__ in __init__.py
• Upload pretrained model
• Upload compatible dataset.zip