print warning when stream cannot be opened, too
make stores auto-identify their items if lore is good enough
fix unsetting the paperdoll flag

Using ~ and BM_AND will result in an invalid flag error, so use the
proper flag and BM_NAND instead.
change some attack stances for IE_ANI_CODE_MIRROR_2

This fixes MOTY and MSOL (maybe more) and prevents them from becoming
invisible occasionally.