Version 12.3

12.3.0

Callbacks now pass more arguments.

callback_enter, callback_exit now pass:

1. the DOM element that entered / exited the viewport
2. the IntersectionObserverEntry that triggered the enter/exit event
3. the LazyLoad instance

callback_load, callback_error, callback_reveal now pass:

1. the DOM element that entered / exited the viewport
2. the LazyLoad instance

callback_finish now passes:

1. the LazyLoad instance

The README file has been updated accordingly.