Lots of remote changes.

dht is now processing commands!
hurray!

db/index.js

@@ -0,0 +1 @@
+exports.users = require('./users');

db/users.js

@@ -0,0 +1,28 @@
+var records = [
+    { id: 1, username: 'jack', password: 'secret', displayName: 'Jack', emails: [ { value: 'jack@example.com' } ] }
+    , { id: 2, username: 'jill', password: 'birthday', displayName: 'Jill', emails: [ { value: 'jill@example.com' } ] }
+    , { id: 3, username: 'popov', password: 'Zelenakrav@', displayName: 'Doby', emails: [ { value: 'db@example.com' } ] }
+];
+
+exports.findById = function(id, cb) {
+  process.nextTick(function() {
+    var idx = id - 1;
+    if (records[idx]) {
+      cb(null, records[idx]);
+    } else {
+      cb(new Error('User ' + id + ' does not exist'));
+    }
+  });
+}
+
+exports.findByUsername = function(username, cb) {
+  process.nextTick(function() {
+    for (var i = 0, len = records.length; i < len; i++) {
+      var record = records[i];
+      if (record.username === username) {
+        return cb(null, record);
+      }
+    }
+    return cb(null, null);
+  });
+}