have `all` pass up returns as a list

lib.py

@@ -83,6 +83,8 @@ def execute(program):
                 return reduce(lambda a, b: (a[0], a[1]*b[1]), subs[1:])
             elif ctx[0] == _ident("/"):
                 return reduce(lambda a, b: (a[0], a[1]/b[1]), subs[1:])
+            elif ctx[0] == _ident("^"):
+                return reduce(lambda a, b: (a[0], a[1]**b[1]), subs[1:])
             elif ctx[0] == _ident("=="):
                 return ("number", 1.0 if subs[1] == subs[2] else 0.0)
             elif ctx[0] == _ident("="):
@@ -101,9 +103,9 @@ def execute(program):
                     
                 return (subs[1][1], float(subs[2][1]) if subs[1][1] == "number" else str(subs[2][1]))
             elif ctx[0] == _ident("all"):
-                ret = _execute(subs[1], lids)
+                ret = [_execute(subs[1], lids)]
                 for statement in subs[2:]:
-                    ret = _execute(statement, lids)
+                    ret.append(_execute(statement, lids))
                 return ret
             elif ctx[0] == _ident("at"):
                 return subs[2][int(subs[1][1])]