Added a few new payloads, and also a variable to track currently non functioning payloads. We may want to use this payloads after implementing a new browser engine
Added hooks for console.log, and confirm
Added new {FUNCTION} marker in payload definitions. This allows us to provide function agnostic payloads, and attempt to execute using different functions, such as alert, confirm, console.log, etc.
Fixed typo in function hook console.log messages
Cleaned up source a bit