Log Message:
py-dnsdiag: update to 2.0.2

Changes in version 2.0.2:

* Small bug fixes and improvements

Changes in version 2.0.1:

* Add support for DNSSEC
* Add -F to display flags for each response (dnsping)
* Display full response in verbose mode (dnsping)
* Add DoT (DNS over TLS) support (dnsping, dnseval)
* Add DoH (DNS over HTTPS) support (dnsping, dnseval)
* Add TCP support
* Improved JSON output support for dnseval
* Refactor and PEP8 cleanup
* Do not use system resolver when not needed
* Add support for user defined source IP address
* Add user-specified destination port (-p/--port)
* Improve error handling
* Display last response code for each entry
* Rework custom socket and custom TTL support
* Rework time calculation logic to eliminate an extra DNS request that
  was just sent for timing (dnstraceroute)
* Update docs (output samples, use cases, etc)
* Use proper terminology (in code) to reduce confusion