Bulk Update Request: Makeshift Instruments

Script

create implication improvised_musical_instrument (11) -> musical_instrument (14643)
create implication makeshift_instrument (7) -> improvised_musical_instrument (11)
create implication cigar_box_guitar (3) -> makeshift_instrument (7)
create implication cigar_box_guitar (3) -> guitar (6974)
create implication cigar_box_guitar (3) -> string_instrument (9594)

Original page: https://e621.net/bulk_update_requests/5589