Add: Imports file for common includes

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Change: File IO to use POSIX libraries

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Change: Location of initial hash to main file

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Add: IFDEF statements to Left and Right

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Change: Function definition spacing for style

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Add: Support for configurable file buffer size

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>
Add: Simple makefile

Signed-off-by: Kevin Conway <kevinjacobconway@gmail.com>