Fixed compiler warning in SecKey+Crypt.swift.
Changed deployment target from iOS 9.3 to iOS 9.0.
Code is now Swift 3.0.
Changed implementation of hexByteArray so that it is no longer recursive.
Added static function
SecKey.keychainTag(forKeyData:) to compute the tag if you don't have the key itself,
Documentation update: everything is documented now.
Initial release containing extensions for SecIdentity, SecCertificate and SecKey.