Change how ini sections are parsed

Only count a bracket at the start of a line as a section.  This will
need to be revisited later.
Better URL parsing for timeouts

Now consider every URL in a line, instead of just the first.
Now properly handle whitelists, blacklists, and ban lists
Add auto messages

Add auto messages (messages that the bot says to chat).
Change URL extensions to be a static variable, not an option setting.
Fix an IniParser bug.