Factors out bit reversing from the HFE class.

Storage/Data/BitReverse.cpp

@@ -0,0 +1,25 @@
+//
+//  BitReverse.cpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 03/10/2017.
+//  Copyright © 2017 Thomas Harte. All rights reserved.
+//
+
+#include "BitReverse.hpp"
+
+void Storage::Data::BitReverse::reverse(std::vector<uint8_t> &vector) {
+	for(auto &byte : vector) {
+		byte =
+			static_cast<uint8_t>(
+				((byte & 0x01) << 7) |
+				((byte & 0x02) << 5) |
+				((byte & 0x04) << 3) |
+				((byte & 0x08) << 1) |
+				((byte & 0x10) >> 1) |
+				((byte & 0x20) >> 3) |
+				((byte & 0x40) >> 5) |
+				((byte & 0x80) >> 7)
+			);
+	}
+}