Sort out shared pre-compiled header usage

Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>

Intel8080/src/stdafx.h

@@ -11,6 +11,7 @@
 #include <string>
 #include <array>
 #include <vector>
+#include <bitset>
 
 #if defined(_M_X64) || defined(_M_IX86 )
 #	define HOST_LITTLE_ENDIAN

inc/Memory.h

@@ -4,6 +4,12 @@
 #include <cstdint>
 #include <string>
 
+#if defined(_M_X64) || defined(_M_IX86 )
+#	define HOST_LITTLE_ENDIAN
+#else
+#	define HOST_BIG_ENDIAN
+#endif
+
 namespace EightBit {
 
 	typedef union {

src/stdafx.h

@@ -10,10 +10,4 @@
 
 #include <string>
 #include <array>
-#include <vector>
-
-#if defined(_M_X64) || defined(_M_IX86 )
-#	define HOST_LITTLE_ENDIAN
-#else
-#	define HOST_BIG_ENDIAN
-#endif
+#include <vector>