Handle Byte Order Marks #698

Job	Run time
find_package/linux/Release	4m 18s
find_package/linux/Debug	2m 55s
find_package/linux/libcxx/Release	6m 12s
find_package/linux/libcxx/Debug	4m 42s
find_package/macos/Release	8m 34s
find_package/macos/Debug	8m 39s
find_package/win/Release	5m 48s
find_package/win/Debug	4m 31s
find_library/linux/Release	4m 19s
find_library/linux/Debug	2m 58s
find_library/linux/libcxx/Release	5m 34s
find_library/linux/libcxx/Debug	4m 28s
find_library/macos/Release	6m 22s
find_library/macos/Debug	4m 25s
find_library/win/Release	5m 50s
find_library/win/Debug	4m 7s
singleheader/linux/Release	4m 36s
singleheader/linux/Debug	3m 15s
singleheader/linux/libcxx/Release	5m 37s
singleheader/linux/libcxx/Debug	5m 11s
singleheader/macos/Release	5m 54s
singleheader/macos/Debug	6m 19s
singleheader/win/Release	5m 58s
singleheader/win/Debug	4m 2s
	2h 4m 34s

Provide feedback