Update to 1.55
    
    - New upstream release 1.55
      - added support for TLSV1_1 and TLSV1_2 methods with SSL_CTX_tlsv1_1_new(),
        SSL_CTX_tlsv1_2_new(), TLSv1_1_method() and TLSv1_2_method(), where
        available in the underlying openssl
      - added CRL support functions X509_CRL_get_ext(), X509_CRL_get_ext_by_NID(),
        X509_CRL_get_ext_count()
      - fixed a problem that could cause content with a value of '0' to be
        incorrectly encoded by do_httpx3 and friends (CPAN RT#85417)
      - added support for SSL_get_tlsa_record_byname() required for DANE support in
        openssl-1.0.2 and later
      - testing with openssl-1.0.2-stable-SNAP-20130521
      - added X509_NAME_new and X509_NAME_hash