tbt-parser 1.2.0 is released

tbt-parser 1.2.0 is released.

Here are the release notes:

• Tablature can now be printed
• Muted notes
• Track volume is exported using CC7, instead of note velocity
• Custom Lyric events may be used to trigger callbacks in FluidSynth
• Fix wall clock time formatting and better midi file info
• Lots of small improvements