Deprecations:
* Make sure certificate is verified when required by RestApiClientAsync and deprecate selfSignedCert:false by-pass [1620](https://github.com/opencybersecurityalliance/stix-shifter/pull/1620)
Changes:
* Cisco secure email added readme detailed file. [1615](https://github.com/opencybersecurityalliance/stix-shifter/pull/1615)
Fixes:
* Remove future timestamp qualifier conditions [1619](https://github.com/opencybersecurityalliance/stix-shifter/pull/1619)
* Fix parameter assignment in error handling function [1616](https://github.com/opencybersecurityalliance/stix-shifter/pull/1616)
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