List of global options used to adjust tidymodules configuration.
tm_session_type : Define the type of the session, See available session types in session_type
tm_session_custom : Used to set a custom function for generating the session Id. Used in concordance with the CUSTOM session type.
tm_disable_cache : Disable caching of modules. This option is set to FALSE by default but is only relevant when user's session is managed properly. See also getCacheOption