add lore.escaped, book.pages.escaped

Pre-escaping lists to prevent issues!
Add context to 'on chat'

Also, remove the old manual escaping that appears to now be returning
incorrectly.
That might need to be dealt with further...
Remove excessive escaping

Due to recent updates in the Tag Manager, the manual escaping used here
is unnecessary and just doubling the escapes.
Allow getting the output from Execute as_server

Using a custom command sender... it worries me a bit, but it's testing
clean. I'm cheating and using internal CB code a bit to be safe.
Allow determine within foreach/repeat

the reqId wasn't being kept property.
Also, show an error if using Determine improperly.
Add tag definition[name] or def[name]

Because using %'s for that really bugs me. Why do we have a full
secondary objectless tag system? Let's use the existing one...
Merge pull request #653 from mcmonkey4eva/master

Pull request for handling user input!