* Converted logger to initialize 1 time when module is loaded into memory. Removed logger_create/destroy API's and updated all callers as logging is now ready to go with the first API call to the SDK.
* fixing build break
* addressing feedback
* Adding Logging API to set/clear callback function, added unit tests, passing with parallel tests with 500 interations.
Updated ENV logger settings so they don't default to enable STDOUT
* formatting change
* works
* Addressing PR comments
* Fixing Doxygen break
* Fixing comment
* last round of feedback