send description to reader
fixed incrementing void pointer
more error handling
fixed closing an already closed connection
removed useless printf
use an abstract user interface

UI has to implement nPAeIdUserInteractionCallback_ui and
nPAeIdProtocolStateCallback_ui, currently available as CLI
including eidui_cli.h
Handle deactivated PIN
Hack: Add detailed Errormessage to PACEException for deactivated PIN
fixed compilation with gcc
fixed parsing of cvca link certificate
Merge pull request #4 from frankmorgner/hu-master

fixed handling of link certificates