Fix SessionID in OTRS_SessionCreateResponse

Needs to be xsd:string, not an int. This fixes SessionCreate with python-suds for me.
Added missing load of helper module.
Merge branch 'rel-3_3' of github.com:TauPan/otrs into TauPan-rel-3_3
Fixed: GenericInterface: mapping key can't map from / to 0 (bug#10259).
Fixed: Customer search during ticket creation - OTRS shows details also if no customer match the search (bug#10222).
Squashed commit of the following:

commit a098f3d99b847d5338a0ec3ae1ec2d7748e91578
Author: s7design <otrs@s7designcreative.com>
Date:   Tue Feb 4 23:47:16 2014 +0100

    [Bug 10222] Customer search during ticket creation - OTRS shows details also if no customer match the search

    Deleted default value for parameter CustomerUserID in function GetCustomerInfo
Fixed: Queue field doesn't appear in ProcessMgmt (bug#9787).
Fixed: No use Ticket::Hook in CustomerTicketZoom (bug#10285).
Squashed commit of the following:

commit 9588fb77414336e6a19a8496727c2503274fe22f
Author: s7design <otrs@s7designcreative.com>
Date:   Wed Feb 5 15:35:50 2014 +0100

    I fixed like you suggested. Thanks for help, I knew that JavaScript was not good option. But with your help all is easier:)

    Thanks Martin
    Zoran

commit 6204bd53adaff245509bb6a833fb3141f9064ce8
Author: s7design <otrs@s7designcreative.com>
Date:   Wed Feb 5 15:01:53 2014 +0100

    [#10285]No use Ticket::Hook in CustomerTicketZoom

    Added default value "Ticket#" for Ticket::Hook if isn't set in config

commit c2be49b83ae4b89640084d5e283c49d2704e23f4
Author: s7design <otrs@s7designcreative.com>
Date:   Wed Feb 5 14:49:20 2014 +0100

    [10285]No use Ticket::Hook in CustomerTicketZoom
Fixed: Customer email suddenly treated by OTRS as 'email-internal' (bug#10182).
Fixed bug#10245 - Use of uninitialized value {Value2} in string.