Revision history for Bit-Manip

0.02    2017-01-25
        - added in EXPORT_OK POD section
        - code tidying in the XS file
        - changed all instances of "first" to msb and "last" to lsb for
          params
        - added bit_mask() returns the bit mask given a number of bits and LSB

0.01    2017-01-24
        First version, released on an unsuspecting world.