/**
* Client application calls this after any pre-session initialization
* (registering of Handlers, etc)
/**
* Client application calls this after any pre-session initialization
* (registering of Handlers, etc)
* this will result in an implicit call to joinSession - if that results in an exception
* then the VamsasClient should raise an Error.
* TODO: create VAMSAS exception hierarchy (in a language agnostic manner)
* this will result in an implicit call to joinSession - if that results in an exception
* then the VamsasClient should raise an Error.
* TODO: create VAMSAS exception hierarchy (in a language agnostic manner)