Remove the font test with Italic before Bold. This does not work on OS/2. Most platforms should function in either order, but on OS/2 it much match the order reported by the system. Not sure if it is worth the effort to make it not care about the order on OS/2. Also update the readme and Also correct a copy and paste error in a Mac code comment.

#include "winuser.h"
#ifdef DW64
2 RT_MANIFEST dw.dll.x64.manifest
#else
2 RT_MANIFEST dw.dll.x86.manifest
#endif