Added bytes and b'' as aliases for str and ''

Python/ast.c

@@ -3238,6 +3238,9 @@ parsestr(const char *s, const char *encoding)
                         quote = *++s;
                         unicode = 1;
                 }
+                if (quote == 'b' || quote == 'B') {
+                        quote = *++s;
+                }
                 if (quote == 'r' || quote == 'R') {
                         quote = *++s;
                         rawmode = 1;

Python/bltinmodule.c

@@ -2446,6 +2446,7 @@ _PyBuiltin_Init(void)
 	SETBUILTIN("True",		Py_True);
 	SETBUILTIN("basestring",	&PyBaseString_Type);
 	SETBUILTIN("bool",		&PyBool_Type);
+	SETBUILTIN("bytes",		&PyString_Type);
 	SETBUILTIN("buffer",		&PyBuffer_Type);
 	SETBUILTIN("classmethod",	&PyClassMethod_Type);
 #ifndef WITHOUT_COMPLEX