watilde/beeplay — pull request #4 by watilde (2014-06-04 10:47:59+00:00)
Title: Add master volume property and put dynamics on note

Updates
+ Add master volume property in main constructor
+ Add dynamics property in note

e.g.)
```js
var music = beeplay({volume: 0.5})
.play('C4', 1, 'pp');
.play('D4', 1, 'p')
.play('E4', 1, 'mp')
.play('F4', 1) // or 'm'
.play('G4', 1, 'mf')
.play('A4', 1, 'f')
.play('B4', 1, 'ff');
```