Changes in version 0.5.2.0

 * Add strict variants of 'MutVar' modification functions

Changes in version 0.5.0.1

 * Disable array copying primitives for GHC 7.6.* and earlier

Changes in version 0.5

 * New in "Data.Primitive.MutVar": 'atomicModifyMutVar'

 * Efficient block fill operations: 'setByteArray', 'setAddr'
