Check the default_paths

Implement a max filesize that can be opened

Implement a directory check to the sf* functions

Implement a garbage collector for stale cached answers.

Document and implement the "error: actual" setting.

Clean up error reporting (ie, remove the function
names unless asked for).

Implement an automatic watch/update for the directory
containing userfiles (maybe).

Implement maximums (threads, connections, query
timeout, etc).

** CLEAN UP THE CODE **
