0.2.1.1

• Fix a bug in Deque's new vector allocation/copy code.

0.2.1

• Export Prim, Unbox and Storable
• SRef uses ForeignPtr directly (slightly more efficient)

0.2.0

• Restructure under the Data.Mutable module.

0.1.2.0

• Added PRef

0.1.1.0

• Added reference benchmark.
• Added boxed deque and references.