-= Info about application 'Authenticate' =- 

[Synopsis]:
Authenticate a user

[Description]:
  Authenticate(password[|options]): Requires a user to enter agiven password in order to continue execution.  If the
password begins with the '/' character, it is interpreted as
a file which contains a list of valid passwords (1 per line).
an optional set of opions may be provided by concatenating any
of the following letters:
     a - Set account code to the password that is entered
     d - Interpret path as database key, not literal file
     r - Remove database key upon successful entry (valid with 'd' only)

When using a database key, the value associated with the key can be
anything.
Returns 0 if the user enters a valid password within three
tries, or -1 otherwise (or on hangup).