* PCBC-518: Detect and cleanup connections left in bad state
* PCBC-525: Fix memory leak for schemaless connspec
* PCBC-497: Add health check functions
* PCBC-524: Fix memory leak when using authenticateAs()
* PCBC-520: Add example for authentication with x.509 certificate
* PCBC-522: Check username/password for NULL in Classic Authenticator
* PCBC-516: Append information about runtime to HELLO string