Simplify core
Simplify core

Since we know that js is single threaded a lot of the code could be simplified. The mailboxprocessor is gone, the dom event thingy is gone. Instead I just pass around a recursive function. This simplified a lot of the code in the core parts.

Zaid-Ajaj/fable-arch,fable-compiler/fable-arch,fable-compiler/fable-arch,Zaid-Ajaj/fable-arch