Update to 0.65

Upstream changes:
0.65 -- Mon Apr  6 19:43:37 CEST 2015

Enhancements:
* t/74matchedvalues.t: more tests
* {ASN,Extension}.pm: update ExtendedResponse to RFC 4511
* Constant.pm: add LDAP_NOTICE_OF_DISCONNECTION
* Control/DontUseCopy.pm: new
* Control/ProxyAuth.pm: make sure criticality does not get changed
* Control/Relax.pm: make sure value & criticality do not get changed
* Control/ManageDsaIT.pm: make sure value never gets set

Bug Fixes
* LDAP.pm: do not set default sslversion for start_tls() & LDAPS
  Instead of second-guessing a default sslversion for start_tls() and LDAPS,
  rely on the - known to be sane - default value used by IO::Socket::SSL.
* RT#100151: LDAP.pm: localize $SIG{__DIE__} in IPv6 support check
  Thanks to Troy Loveday <troyl@ti.com> for the detailed bug report and patch.
* FAQ.pod: fix error in search() example
* RFC.pod: typo fix

0.64 -- Thu Jun 19 17:48:08 CEST 2014

Bug Fixes:
* LDAP.pm: set SSL_cipher_list correctly
* RT#96203: LDAP.pm: use correct length for syswrite
* LDIF.pm: fix next outside loop in _write_one_entry
* Entry.pod: fix typo

(wen)