Python searches in lib-dynload and if not found it searches in
C:/Windows/system32 which can contain dlls with an invalid version

Fixes #8905

Fixes #8957

In some cases sub can be None

Fixes #8954

Fixes #8951

Fixes #8823

This cannot be used in combination with HANDLES_COMMAND_LINE

Fixes #8947

Fixes #8941

Fixes #8924

Its not clear at this point why we dont find a contact is None, so log
output is added

SW authored 7 years ago and Philipp Hörist committed 7 years ago

Don't try to resolve _xmppconnect records for servers before trying to connect.
Prevent warnings from gajim.c.resolver for accounts with "connect on startup" disabled.

No one will ever update from these versions anymore

This adds a method that returns only a contact if there is an exact match,
instead of a contact where only the barejid matches.

We need this when we update the Caps of a contact.