Released 3.3.0 2020-06-18

Highlights:

* ``LDAPError`` now contains additional fields, such as ctrls, result, msgid

* ``passwd_s`` can now extract the newly generated password

* LDAP connections can now be made from a file descriptor

This release is tested on Python 3.8, and the beta of Python 3.9.

The following undocumented functions are deprecated and scheduled for removal:

- ``ldap.cidict.strlist_intersection``

- ``ldap.cidict.strlist_minus``

- ``ldap.cidict.strlist_union``

Modules/

* Ensure ReconnectLDAPObject is not left in an inconsistent state after

a reconnection timeout

* Syncrepl now correctly parses SyncInfoMessage when the message is a syncIdSet

* Release GIL around global get/set option call

* Do not leak serverctrls in result functions

* Don't overallocate memory in attrs_from_List()

* Fix thread support check for Python 3

* With OpenLDAP 2.4.48, use the new header openldap.h

Lib/

* Fix some edge cases regarding quoting in the schema tokenizer

* Fix escaping a single space in ldap.escape_dn_chars

* Fix string formatting in ldap.compare_ext_s

* Prefer iterating dict instead of calling dict.keys()

Doc/

* Clarify the relationship between initialize() and LDAPObject()

* Improve documentation of TLS options

* Update FAQ to include Samba AD-DC error message

"Operation unavailable without authentication"

* Fix several incorrect examples and demos

(but note that these are not yet tested)

* Update Debian installation instructions for Debian Buster

* Typo fixes in docs and docstrings

Test/

* Test and document error cases in ldap.compare_s

* Test if reconnection is done after connection loss

* Make test certificates valid for the far future

* Use slapd -Tt instead of slaptest

Infrastructure:

* Mark the LICENCE file as a license for setuptools

* Use "unittest discover" rather than "setup.py test" to run tests