Basically this release addresses an issue when [1] constructor is used
with NULLs as optional parameters,
[1] public Api(String url, String username, String password, String key_file,
String cert_file, String ca_file, Integer port, Integer timeout,
Boolean persistentAuth, Boolean insecure, Boolean filter, Boolean debug)
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Michael Pasternak
RedHat, ENG-Virtualization R&D