Allow disabling post_mortem mode
Allow disabling post_mortem mode

os97673/byebug,miamiruby/byebug,k0kubun/byebug,davidmowrer/in_class_projects_t2,guilherme/byebug,yui-knk/byebug,k0kubun/byebug,webdev1001/byebug,deivid-rodriguez/byebug,guilherme/byebug,webdev1001/byebug,k0kubun/byebug,saisai/byebug,ozydingo/byebug,davidmowrer/in_class_projects_t2,icebreaker/byebug,deivid-rodriguez/byebug,guilherme/byebug,davidmowrer/in_class_projects_t2,yui-knk/byebug,saisai/byebug,scalp42/byebug,ozydingo/byebug,yui-knk/byebug,scalp42/byebug,deivid-rodriguez/byebug,os97673/byebug,icebreaker/byebug,miamiruby/byebug