Remove node dependency from handlebars.js

lib/handlebars.js

@@ -1,21 +1,22 @@
 if(exports) {
   var Handlebars = {};
 
-  Handlebars.AST          = require("handlebars/ast").AST;
-  Handlebars.Lexer        = require("handlebars/handlebars_lexer").Lexer;
-  Handlebars.PrintVisitor = require("handlebars/printer").PrintVisitor;
-  Handlebars.Parser       = require("handlebars/parser").parser;
+  Handlebars.AST             = require("handlebars/ast").AST;
+  Handlebars.HandlebarsLexer = require("handlebars/handlebars_lexer").Lexer;
+  Handlebars.PrintVisitor    = require("handlebars/printer").PrintVisitor;
+  Handlebars.Parser          = require("handlebars/parser").parser;
+} else {
+  Handlebars.Parser = handlebars;
 }
 
 Handlebars.parse = function(string) {
   Handlebars.Parser.yy = Handlebars.AST;
-  Handlebars.Parser.lexer = new Handlebars.Lexer;
+  Handlebars.Parser.lexer = new Handlebars.HandlebarsLexer;
   return Handlebars.Parser.parse(string);
 };
 
 Handlebars.print = function(ast) {
-  var out = new Handlebars.PrintVisitor().accept(ast);
-  require("sys").print(out);
+  return new Handlebars.PrintVisitor().accept(ast);
 }
 
 if(exports) { exports.Handlebars = Handlebars }