Changelog for hblas-0.3.2.2

#0.3.1.1 release, bug fixes in show and improved tests, thanks to tomas musil for catching them

0.3.1.0

Improved type exports and getting started docs thanks to Stephen Diehl

#0.3.0.0

the first useful release

PRE-RELEASE version 0.2.0.0

version 0.1.0.0