2023-05-10 Tyrone Rees
Version 3.0.0
Add optional control parameters to the calling sequence.
Rewrite of code to prevent memory leaks and to improve test coverage.

2010-12-01 Jonathan Hogg
Version 2.0.0
Modify interface to allow specificaiton of source and destination ranges,
  substantially rewrite and simplify code, add long integer support, remove
  support for unallocated arrays on input

2007-08-01 Sue Dollar
Version 1.0.0
Original Version.