ChangeLog for crypton-x509-validation

1.8.0

• Depend on package time-hourglass, rather than hourglass. Date and time-related types and classes are now those from the former package. #18
• Depend on package crypton-asn1-types >= 0.4.1 rather than asn1-types. ASN.1-related types and classes are now those from the former package.