* Improper format specifier (e.g. %s for bools or %s for ints)
* More or less parameters than format specifiers
* Not calling a formatting function when it should have (e.g. Error() instead of Errorf())
Added function to read basic ACL from a CSV file.
Added implementation of Authorize based on that file's policies.
Added docs on authentication and authorization.
Added example file and tested it.