add .builds/alpine.yml

fix getopt usage

refactor

improve key parsing and error messages, lots of debug prints

hacking towards acceptible pubkey reader support

key parse iterator and fleshing out stuff

moved errors to separate file

calc keygrip

progress on sign

gpg-agent: initial ev code

s/decoder/reader, work on sign

rename decoder.ha

rsakey: priv

work on parsing private keys

basic external signature verification with too many debug prints

asciiarmor: refactor

pubkey sig verification

rename gpg command to okp

stdlib update fixes

fix for latest stdlib changes