Initial factoid+code support
factoid+code support for ecmabot
Removed `regex` argument
Moved EXECUTE_REGEX global to Bot.executeRegex
Added factoid+code to oftn-bot
factoidFindHelper is not a constructor!
Ended factoidFindHelper's gratuitous use of `this`
Fixed alignment in factoidFindHelper (don't tell Sorella!)
Removed extraneous spaces after `call`
Merge pull request #34 from oftn/code-toids

Self-executing factoids with code (factecutables)