* Initial version of CWE560 check

* CWE560 identifies calls to umask, missing the check of the umask calls.

* Initial version of CWE560 check

* CWE560 identifies calls to umask, missing the check of the umask calls.

* [cwe560] works for x64, fix function check_umask_call to detect on
other arches

* Initial version of CWE560 check

* CWE560 identifies calls to umask, missing the check of the umask calls.

* Initial version of CWE560 check

* [cwe560] works for x64, fix function check_umask_call to detect on
other arches

* Now working on the other architectures

* Refactored version of check for CWE 560 that work on several architectures. Added first unit tests for the checkers code base

* Fixes some dune warnings.

* Added CWE 560 to CHANGES.md. Fixes another dune warning.

* Requested change: Private module as a wrapper for unit tests