Casting is faster

Signed-off-by: Suki <suki@missallsunday.com>
Include the Ohara helper class

Signed-off-by: Suki <suki@missallsunday.com>
Typos and stuff

Signed-off-by: Suki <suki@missallsunday.com>
More improvements

Signed-off-by: Suki <suki@missallsunday.com>