"In computer software and media, an Easter egg is an intentional inside joke, hidden message or image, or secret feature of a work." (wikipedia.org)
ggE retsaE is just 'Easter Egg' spelled backwards, in order to make the mentioning of besaid easter egg an easter egg in itself. Such meta.
Added in v1.0.9:
- cool feature A
- cool feature B
- ggE retsaE