Can't connect using dynamic password generation due to static password in config

[pazosj]

When configuring the JDBC object, we are able to pass a static username/password. These same values are used when opening new connections, e.g. when using a connection pool. However, this does not work for dynamic password-generation authentication measures, like NetSuite's Token-Based Authentication.

Proposal:
Allow the username/password config values to be functions that are called every time a new connection is made.