mass update feather_hat -> hat_feather
create alias feathered_cap (22) -> hat_feather (1099)
create alias feathered_hat (1) -> hat_feather (1099)
create implication feathered_headdress (170) -> headdress (4360)
create implication headdress (4360) -> headwear (245807)
create implication tricorne (159) -> hat (225524)
create implication bicorne (47) -> hat (225524)
remove implication hat_feather (1099) -> headwear (245807)
create implication hat_feather (1099) -> hat (225524)