Update to 1.55:

1.55 2013-06-08
    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(). Patch from Franck Youssef.
    Fixed a problem which could cause content with a value of '0' to not be
    correctly encoded by do_httpx3 and friends. Reported by Victor Efimov via
    RT.
    Added support for SSL_get_tlsa_record_byname() required for DANE support in
    openssl-1.0.2 and later. SSL_get_tlsa_record_byname() was added to
    OpenSSL with the financial assistance of .SE.
    Testing with openssl-1.0.2-stable-SNAP-20130521.
    Added X509_NAME_new and X509_NAME_hash, patched by Franck Youssef.

(wiz)