add mutate tool that allows to manually investigate mutator behavior
add mutate tool that allows to manually investigate mutator behavior

hyz0906/syzkaller,xairy/syzkaller,lorenzo-stoakes/syzkaller,zoulasc/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,hyz0906/syzkaller,zoulasc/syzkaller,lorenzo-stoakes/syzkaller,sploving/syzkaller,sploving/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,dotweiba/syzkaller,hyz0906/syzkaller,zoulasc/syzkaller,google/syzkaller,hyz0906/syzkaller,sploving/syzkaller,google/syzkaller,dotweiba/syzkaller,lorenzo-stoakes/syzkaller,google/syzkaller,zoulasc/syzkaller,dotweiba/syzkaller,xairy/syzkaller,dotweiba/syzkaller,sploving/syzkaller,hyz0906/syzkaller