Changelog for vector-0.8

Changes 0.6 - * Improved documentation Changes 0.5 - 0.6 * More efficient representation of Storable vectors * Block copy operations used when possible * Typeable and Data instances * Monadic combinators (replicateM, mapM etc.) * Better support for recycling (see create and modify) * Performance improvements Changes 0.4.2 - 0.5 * Unboxed vectors of primitive types and tuples. * Redesigned interface between mutable and immutable vectors. It now includes the popular unsafeFreeze primitive. * Many new combinators. * Significant performance improvements. Unboxed vectors are usually faster than primitive unboxed DPH arrays.