Code cleanup

Much better organization and ease-of-use now that the proof of concept is established. Still an awful lot to do here, but I'm getting the hang of the whole node.js thing.
Also moved the actual test functionality out to a test script so the module itself doesn't execute anything.

test.js

@@ -0,0 +1,18 @@
+const ScreenLogic = require('./index');
+
+var finder = new ScreenLogic.FindUnits();
+finder.on('serverFound', function(server) {
+  var client = new ScreenLogic.UnitConnection(server);
+  client.on('loggedIn', function() {
+    this.getPoolStatus();
+    this.getControllerConfig();
+  }).on('poolStatus', function(status) {
+  }).on('controllerConfig', function(config) {
+    client.close();
+    finder.close();
+  });
+
+  client.connect();
+});
+
+finder.search();