Changelog for hmpfr-0.4.2.1

0.4.2.1: 28 Dec 2016: instance Generic MPFR 0.4.2: 2nd Sep 2016: Added RealFloat instances 0.4.1: 2nd Aug 2016: Added support for digamma 0.4.: 11th Jul 2016: Compiles only with ghc 7.10 or newer 0.3.3: 22 Dec 2011: Compiles with both integer-simple and integer-gmp (but mis-behaves with standard integer-gmp). 0.3.2: 28 Feb 2011: Adapted to work with mpfr 3.0.0, now depends on integer-simple. 0.3: 23 Sep 2009: Added mutable interface and removed some modules from the export list. 0.2.2: 2 Sep 2009: Fixed a minor bug in internal handling. 0.2.1: 25 Aug 2009: Fixed a serious bug in fromInteger conversion. 0.2: 5 May 2009: Add support for functions new in mpfr 2.4.1