Restructure things more simply

lib/handlebars/debug.js

@@ -1,3 +1,6 @@
+var Handlebars = require("handlebars");
+
+// BEGIN(BROWSER)
 (function() {
   var classes = ["Lexer", "PrintVisitor", "Context", "Runtime", "Exception"];
   var prop;
@@ -23,3 +26,4 @@
   Handlebars.print.displayName   = "Handlebars.print";
   Handlebars.compile.displayName = "Handlebars.compile";
 })();
+// END(BROWSER)