correct offs for CHUID_GUID_OFFS and change verbose print to CHUID
correct offs for CHUID_GUID_OFFS and change verbose print to CHUID

CHUID_GUID_OFFS was 28 instead of 29, leading to invalid CHUID
verbose print said "setting GUID.." changing to CHUID

patch from Doug Engert
fixes #9

akgood/yubico-piv-tool,akgood/yubico-piv-tool,hirden/yubico-piv-tool,Yubico/yubico-piv-tool,hirden/yubico-piv-tool,ato/yubico-piv-tool,akgood/yubico-piv-tool,Yubico/yubico-piv-tool,akgood/yubico-piv-tool,ato/yubico-piv-tool,Yubico/yubico-piv-tool