Consider renaming to asn1

[mehcode]

Your crate name (goes in use asn1::foo) could be nice and simple: asn1. Your package name (goes in Cargo.toml) would be asn-1.

Precedence in the sha-1 crate: https://github.com/RustCrypto/hashes/blob/master/sha1/Cargo.toml#L2,L13

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Main reason is for some reason simple-asn1 is not easy to google. It took awhile to find this excellent crate. asn-1 would pop up faster in the crates search and with enough recent downloads be at top.