- Enhance enumerate with association filter to have the ability to
  specify the optional elements namely: AssociationClassName, Role,
  ResultClassName, ResultRole and IncludeResultProperty.
  (IncludeResultProperty is a list, specify it as a comma separated list
  in the “U” option.
  (Chris Poblete)

Version 2.2.3
  Bugfix release, synchronize version with openwsman
  - fix double free error on enumeration (Chris Poblete)
  - add '--version' to print version and build timestamp