Fix user_snp factory
Fix user_snp factory

philippbayer/snpr,gedankenstuecke/snpr,openSNP/snpr,vivekiitkgp/snpr,philippbayer/snpr,vivekiitkgp/snpr,philippbayer/snpr,openSNP/snpr,gedankenstuecke/snpr,openSNP/snpr,gedankenstuecke/snpr,philippbayer/snpr,openSNP/snpr,vivekiitkgp/snpr,gedankenstuecke/snpr,vivekiitkgp/snpr