changed dot operator to access global functions

docs/TODO.txt

@@ -34,17 +34,17 @@ DONE: Import/export keywords
 DONE: A way to check the type of a variable (typeOf keyword)
 DONE: slice and dot notation around the builtin _index and _dot functions
 DONE: maximum recursion/function depth
+DONE: better sugar for _push, _pop, _length
 
 
 TODO: nested compound assignment
-TODO: better sugar for _push, _pop, _length
 TODO: ternary operator?
 TODO: Nullish types?
 TODO: hooks on the external libraries, triggered on import
 TODO: standard library
 TODO: external script runner library
 TODO: document how it all works - book?
-TODO: better API
+TODO: better API?
 TODO: packaging for release?
 
 NOPE: a = b = c = 1;