Loop features

[watilde]

🐱 < I need loooooop features!

• loop option
• da capo
• dal segno

Like the following:

beeplay({bpm: 120, loop: true})
  .play(null, 1)
  .play('C4', 1)
  .play('D4', 1)
  .play('D4', 1);

beeplay({bpm: 120})
  .play(null, 1)
  .ds('key', count)
  .play('C4', 1)
  .play('D4', 1)
  .play('D4', 1)
  .ds('key');

beeplay({bpm: 120})
  .play('C4', 1)
  .play('D4', 1)
  .play('D4', 1)
  .dc(count);