Use c99 standard bool when available
Use c99 standard bool when available

snowblind/umurmur,doctaweeks/umurmur,fmorgner/umurmur,doctaweeks/umurmur,fmorgner/umurmur,troxor/umurmur,snowblind/umurmur,troxor/umurmur,doctaweeks/umurmur