Release notes
The following important issues are resolved in this version:
GetCertificateType method added to GXAsn1Converter to solve certificate type.
FromHexString method added to GXPkcs8, GXPkcs10 and GXx509Certificate.
BasicConstraints is critical if it exists.
GXx509Certificate.IsCertified method added to test is x509 file certified by the certifier.