v2.1.0

This release contains several important bug fixes and functionality enhancements.

• Rewrite of much of the tuplet code, including bug fixes and support for Nested Tuplets (Thomas Weber)
• Support for Bar Rest fermatas (Thomas Weber)
• Ongoing work in progress for supporting more staff symbols in the output
• Rewrite of the beaming functionality. Now supports nested beams, grace beams, and @breaksec (Thomas Weber)
• Fixed bug where the Music Text Font Name was used for lyrics (Thomas Weber)
• Additional support for system breaks (Thomas Weber)
• Tidied up support for rests that begin a beam (Thomas Weber)
• Support for @metcon=false for measures that do not conform to the time signature (Thomas Weber)
• Fixed a bug where the measure label was getting needlessly rewritten in a loop.
• Enhanced support for tremolos
• Support for syllable elision in lyrics
• Fixed the ordering of articulations
• Fixed a bug where sometimes a bar object being referenced was null.

Thanks to Notengrafik Berlin for sponsoring some of this work.