2.0.0 (May 25, 2015)

• Removes support for boxed objects (new Boolean, new Number, new String) and considers them just as objects.

  Boxed objects tend to be very error prone and it's best you stick to primitives only. The following is a small example of problems with boxed objects:

  new String("a") == new String("a") // => false
  new Boolean(true) == new Boolean(true) // => false
  Boolean(new Boolean(false)) // => true
  !!(new Boolean(false)) // => true
  

  You can convert boxed objects to primitives by calling their valueOf function:

  new String("Hello").valueOf() // => "Hello"
  

• Adds support for Symbol.