Merge branch 'issue-5' into issue-4

t/.untrusted_ac.t.swp

t/certs/3.cert.pem

t/certs/3.key.pem

t/certs/3.pem

t/certs/4.cert.pem

t/certs/4.key.pem

t/certs/4.pem

t/certs/5.cert.pem

t/certs/5.key.pem

t/certs/5.pem

t/certs/README.md

t/certs/voms_example_2.cert.pem

t/certs/voms_example_2.key.pem

t/encoding.t

t/expired.t

t/expired_ac.t

t/no_ac.t

t/pippo

t/trust-anchors/21ca5d6a.0

t/trust-anchors/7940b442.0