merge rust-rendering-2 to master

restructuring

move variables to a separate list, assign to array subscript works

remove variables from stack, maybe other things pushed too

subscript assignment parsing

anonymous functions

list initialization and subscripting

functions act like variables

first draft of functions and calls

repo synchronization between computers

break and continue added, but they dont clean up the stack

for loop desugaring and loops in vm

get through variables test

variables

run if statements

print, add, sub run with manually typed bytecode