few tweaks to the stdin archiver
few tweaks to the stdin archiver

fix encoding and public/private detection

Humbedooh/ponymail,jimjag/ponymail,jimjag/ponymail,quenda/ponymail,rbowen/ponymail,quenda/ponymail,Humbedooh/ponymail,quenda/ponymail,Humbedooh/ponymail,jimjag/ponymail,rbowen/ponymail,jimjag/ponymail,rbowen/ponymail