module on destroy and process exit

modules/web.js

@@ -16,7 +16,12 @@ var webInterface = function(dbot) {
     });
 
     app.listen(1337);
-    return { };
+
+    return { 
+        'onDestroy': function() {
+            process.exit();
+        }
+    };
 };
 
 exports.fetch = function(dbot) {

run.js

@@ -17,6 +17,7 @@ var DBot = function(dModules, timers) {
         this.instance.join('#fail');
         this.instance.join('#42');
         this.instance.join('#itonlygetsworse');
+        this.instance.join('#plur');
     }.bind(this));
 
     this.moduleNames = dModules;
@@ -42,6 +43,12 @@ DBot.prototype.reloadModules = function() {
     require.cache[path] = undefined;
     require('./snippets');
 
+    this.modules.each(function(module) {
+        if(module.onDestroy) {
+            module.onDestroy();
+        }
+    });
+
     this.moduleNames.each(function(name) {
         var cacheKey = require.resolve('./modules/' + name);
         require.cache[cacheKey] = undefined; // TODO: snippet to remove element properly