added new unit
added new unit

Checking the compression with 1 byte granularity

lemire/simdcomp,cruppstahl/simdcomp,lemire/simdcomp,cruppstahl/simdcomp,NaveenSigmoid/simdcomp,NaveenSigmoid/simdcomp,lemire/simdcomp,cruppstahl/simdcomp,NaveenSigmoid/simdcomp