Cleaning up parsing / typechecking of calls slightly, adding any vargs

main.cpp

@@ -43,6 +43,7 @@ want to export all the symbols, we can namespace them optionally.
 @todo
 [ ] - Probably need to give Ast_Expr a Value field, then I can express Type nicely
 [ ] - I would love for String, slice, Any etc. to have their struct declarations in source files, I also would want for stuff like string.str to work without weird special cases
+[ ] - Var args with Any
 
 [ ] - #test construct that would gather all tests and run them on start of program or something
 [ ] - Foreign import that would link library