Modifications to module system:

* Renamed Module to JanetModule to reduce chance of clashes with NodeJS module
* Changes to event dispatcher - different PubSub instances for each type of event
* Fixed issues with arguments and scoping when modules triggered

modules/greet.js

@@ -1,21 +1,27 @@
-const Module = require('./module')
+const JanetModule = require('./janetmodule')
 
-class Greet extends Module {
+/**
+ * A simple greet module that says a friendly hello when somebody joins
+ * @author Lewis Dale
+ */
+class Greet extends JanetModule {
 
-  constructor() {
+  constructor(client) {
     super({
       name: 'Greet',
       showInHelp: false,
-      command: 'Hello',
+      command: 'join',
       methods: ['join']
-    })
-
-    this.test = {}
+    }, client)
   }
   
-  respond(input) {
-    return "Hello, " + input
+  respond(event, who) {
+    if (who !== "Janet") {
+      this.client.say("Hello, " + who)
+    }
   }
 }
 
-module.exports = new Greet()
+module.exports = (client) => {
+  return new Greet(client)
+}

modules/janetmodule.js

@@ -1,4 +1,4 @@
-class Module {
+class JanetModule {
   
   /**
    * Construct a new Modules instance
@@ -8,7 +8,7 @@ class Module {
    * @param opts.command: The command that triggers the action
    * @param opts.methods: A list of contact methods where the command is available
    */
-  constructor(opts = {}) {
+  constructor(opts = {}, client) {
     let keys = [
       'name',
       'showInHelp',
@@ -22,6 +22,11 @@ class Module {
       }
 
       this[key] = opts[key]
+
+      if (client === undefined || client === null) {
+        throw new TypeError("Client object was not passed to the module")
+      }
+      this.client = client
     }
 
   }
@@ -30,9 +35,9 @@ class Module {
    * Response to the input, triggered by the command
    * @return A string response
    */
-  respond(input) {
+  respond() {
     throw new TypeError("Function respond has not been implemented. Please override Module.respond()")
   }
 }
 
-module.exports = Module
+module.exports = JanetModule

modules/time.js

@@ -0,0 +1,25 @@
+const JanetModule = require('./janetmodule')
+
+/**
+ * A simple command to ask Janet the current time
+ * @author Lewis Dale
+ */
+class Time extends JanetModule {
+    constructor(client) {
+      super({
+        name: 'Time',
+        showInHelp: true,
+        command: 'what time is it?',
+        methods: ['message']
+      }, client)
+    }
+
+  respond(event, data) {
+    let date = new Date()
+    this.client.say(data.from + ", it is currently " + date.toTimeString())
+  }
+}
+
+module.exports = (client) => {
+    return new Time(client)
+}