Changelog for heap-1.0.1

Latest version: 1.0.1 1.0.0 --> 1.0.1 =============== - set Data.Heap.Item to Trustworthy to enable usage of Data.Heap in Safe Haskell (trustworthy is required due to rewrite rules) - changed the INLINE pragma for splitF to INLINE[1] (GHC warned about the rule possible not firing) - fixed QuickCheck tests to work with QuickCheck > 2.2