EPE-25 Align version numbers to 4.0.0

Fixes EPE-25

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #106 from GordonSmith/EPE-25

EPE-25 Align version numbers to 4.0.0

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>