Added resumable loading, along with signal handling.

This version can store state after receiving SIGINT.
This is achieved by polling FIFO read state;

Controller.hpp

@@ -0,0 +1,16 @@
+#pragma once
+#include <map>
+#include "Channel.hpp"
+
+class Controller
+{
+	protected:
+		std::map<uint32_t, Channel> channels;
+		uint32_t currChannel;
+
+	public:
+		Controller(const uint32_t startChannel = 1);
+
+		void handleTransaction();
+		const uint32_t nextChannel();
+};