Changelog for fixedprec-0.2.1.1

ChangeLog v0.2.1.1 2014/02/05 (2014/02/04) PS1 - improved efficiency of square root. (2014/02/04) PS1 - added profiling options. v0.2.1.0 2013/12/11 (2013/12/11) PS1 - added Random instance for FixedPrec. v0.2 2013/06/30 (2013/06/30) PS1 - fixed cabal compilation warnings. (2013/05/29) PS1 - check for non-positive argument in floorlog. This fixes an infinite loop bug. v0.1 2013/05/27 First public release.