v1.11.0

MIDI v1.11.0

Diff since v1.10.0

Closed issues:

• add time signature event (#110)
• Rename BPM to tempo and add a separate function for BPM (#132)

Merged pull requests:

• add default value for BPM (#131) (@VasanthManiVasi)
• add qpm, bpm and deprecate BPM (#133) (@VasanthManiVasi)
• Update docs and fix indentation for deprecation warning (#134) (@VasanthManiVasi)