Changes for Crypt::ScryptKDF

0.006   2013/04/19
        - fixing cpan testers failure on netbsd

0.005   2013/04/17
        - fixing cpan testers failure on pre 5.10.1

0.004   2013/04/09
        - documentation fixes
        - exported function random_bytes

0.003   2013/04/05
        - ready for CPAN

0.002   2013/04/02
        - compatibility with older Module::Build

0.001   2013/03/21
        - initial version