Major update

Changed titlekey dump methodology to no longer need reboot.
Added SD seed dumping.
Reorganized and clarified UI text.
Swapped C++-style I/O for C-style.
Tightened up dependencies.

source/nx/set_ext.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <switch/result.h>
+
+Result setcalInitialize(void);
+void setcalExit(void);
+
+/**
+ * @brief Gets the extended ETicket RSA-2048 Key from CAL0
+ * @param key Pointer to 0x244-byte output buffer.
+ */
+Result setcalGetEticketDeviceKey(void *key);