Reverting "minor perf. improvements"

Revert "minor perf. improvements"

This reverts commit 24bfd55a22.

broke the parser somehow; too early to optimize, let's get the other stuff running.

lib/utils.js

@@ -46,12 +46,11 @@ function curry(f) {
     return function() { return f.apply(this, args.concat(slice(arguments))); };
 };
 
-function prog1(ret, f1, f2, f3) {
+function prog1(ret) {
     if (ret instanceof Function)
         ret = ret();
-    if (f1) f1();
-    if (f2) f2();
-    if (f3) f3();
+    for (var i = 1, n = arguments.length; --n > 0; ++i)
+        arguments[i]();
     return ret;
 };
 
@@ -170,9 +169,3 @@ function string_template(text, props) {
         return props[p];
     });
 };
-
-function time_it(name, cont) {
-    var t1 = new Date().getTime();
-    try { return cont(); }
-    finally { sys.debug("// " + name + ": " + ((new Date().getTime() - t1) / 1000).toFixed(3) + " sec."); }
-};