Removal of cache, fixing a compiler warning and removing recursive functions.
Fix bug in verbose flag handling.

Using the verbose flag was causing cardos-tool to return as if an error
had occured.
don't reimplement output of status words

Closes #326
Revert "Added ATR for ItalianCNS - Prov. BZ"
Merge pull request #339 from OpenSC/revert-318-master

Revert "Added ATR for ItalianCNS - Prov. BZ"
use path only if it is actually present
iso7816: make select agnosting to sc_path_t's aid
workaround for compiler warnings
fixed compiler warnings

fixed warnings introduced with b18c86e64621fa61555831802d9cd597e24e0ebc

fixes memory leaks in pkcs15-init and pkcs15-tool
added support for sc_path_t with only aid set