Moving to GitHub and cl-lib

[João Távora]

Raymond Toy <toy.raymond at gmail.com> writes:

> The result works just fine on xemacs, with just a few minutes of
> testing, though.  M-. works again too, so that is nice.

Quite amazing that we actually managed to improve the xemacs experience
by removing support for it...

But I'm afraid things might get worse sooner rather than later. We'll
see: keep using slime!

João