Add support for llMessage:withVars:andCode and llProperty:withType for specifying low level code without having to stick C inside the compiler. Redo array built-in type to use this feature.

#{
	makeobj <- {
		foo <- 40
		#{
			bar <- {
				foo
			}
			inc <- {
				foo <- foo + 1
				1
			}
		}
	}
	main <- {
		baz <- makeobj:
		inc: baz
		inc: baz
		bar: baz
	}
}