fix bug depot:

1) fix print statements, panic statements (parentheses required)
	2) len is now allowed as a var name (bug053)

R=gri
OCL=14106
CL=14106

test/literal.go

@@ -8,8 +8,8 @@ package main
 
 func assert(cond bool, msg string) {
 	if !cond {
-		print "assertion fail: ", msg, "\n";
-		panic 1;
+		print("assertion fail: ", msg, "\n");
+		panic(1);
 	}
 }