Forward Hash::write_iN to Hash::write_uN
Forward Hash::write_iN to Hash::write_uN

graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust