Fixes #99, resolves #97 by warning on missing file. New examples. New log functions

lib/bundle.js

@@ -1,15 +1,16 @@
 var mdeps = require("module-deps"),
 through   = require("through"),
 async     = require("async"),
-//uglify = require("uglify-js"),
 builtins = require("builtins");
 
+var _log     = require("./log");
 
 function bundle (input, complete) {
 
   async.waterfall([
 
     /**
+    * first we resolve all of the deps
      */
 
     function resolveDeps (next) {
@@ -39,9 +40,9 @@ function bundle (input, complete) {
           function end() {
             var content = buffer.join("");
             // console.log(content);
-
-
-            /*var source = uglify.parse(content, {
+            /*
+            // TODO add uglify flag
+            var source = uglify.parse(content, {
               strict: false
             });
             source.figure_out_scope();
@@ -63,8 +64,15 @@ function bundle (input, complete) {
           if (id == 'nexeres') { return false; } //treat our new moudle as a builtin module
           return !~builtins.indexOf(id);
         },
-        extensions: ['.js', '.json' ]
+        extensions: ['.js', '.json' ],
+        ignoreMissing: true
       });
+
+      /** event for missing packages, fixes conditional requires **/
+      md.on('missing', function(id, parent) {
+        _log("warn", "couldn't find require '"+id+"', errors may occur.");
+      });
+
       md.pipe(through(function (chunk) {
         deps.push(chunk);
       }, function () {
@@ -82,7 +90,7 @@ function bundle (input, complete) {
       for (var i = deps.length; i--;) {
         var dep = deps[i];
 
-        var req = "function (require, module, exports, __dirname) { \n" 
+        var req = "function (require, module, exports, __dirname) { \n"
         if (dep.id.toLowerCase().indexOf(".json", dep.id.length - 5) !== -1) {
           //this is the result of require("someFile.json"), so we need to export it from the function
           req += "module.exports = "