* import.c (get_module): pass .py filename to parse_file, not .pyc filename!

* funcobject.c (func_repr): don't call getstringvalue(None) for anonymous
  functions.
* bltinmodule.c: removed lambda (which is now a built-in function);
  removed implied lambda for string arg to filter/map/reduce.
* Grammar, graminit.[ch], compile.[ch]: replaced lambda as built-in
  function by lambda as grammar entity: instead of "lambda('x: x+1')" you
  write "lambda x: x+1".
* Xtmodule.c (checkargdict): return 0, not NULL, for error.

Include/compile.h

@@ -54,12 +54,10 @@ extern typeobject Codetype;
 
 /* Public interface */
 struct _node; /* Declare the existence of this type */
-codeobject *_compile PROTO((struct _node *, char *, int));
+codeobject *compile PROTO((struct _node *, char *));
 codeobject *newcodeobject
 	PROTO((object *, object *, object *, object *, object *));
 
-#define compile(n,f)	(_compile((n),(f),0))
-
 #ifdef __cplusplus
 }
 #endif