Add a list of users to the database
Arguments
- conn_handler
An R object obtained from SigRepo::newConnhandler() (required)
- user_tbl
A Data Frame; must contain the following column names: user_name, user_password, user_email, user_first, user_last, user_affiliation, user_role, active (required)
- verbose
Logical; whether to print diagnostic messages. Defaults to 'TRUE'