Portals and others

+ End and nether portals with configurability
+ Bed homes
+ Cauldrons fill
+ Added time and weather saving
* ~~Fixes #1066~~
* Fixes #1012, fixes #1194

Portals don't construct/search for a destination portal yet.
Well, comment says Y can't be smaller than zero or bigger than 256, and so condition looks for exactly zero or 256, since those are the only other scenarios in which the code will fail.

I think?