chapoly is still using ring

put chan_request as a deep callback

Split smol into files

Doesn't receive input currently

Get rid of ClientHandle

Added smol, use io::copy with AsyncRead/AsyncWrite
Also for tokio

Add proptest. Fix UnknownName unicode glyph splitting

Add bug_args()

Fix some std creeping in, enforce no_std

Add some more comments

None auth works ok.

Need to fix lifetimes