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+Built-ins
+=========
+
+## `login`
+
+If the `type` field of the `command` JSON object (inside the `data` field
+of the `payload` JSON object) is set to `"login"` then the `command` field
+within the `command` JSOB object must look like such:
+
+````
+"command" : {
+	"username" : "<username>",
+	"password" : "<password>"
+}
+````
+
+in context of... *TODO*:
+
+````
+```
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