[Koha] Can't install Net::Z3950::ZOOM in Ubuntu

[Dr Emits]

Hi,

I installed the latest Ubuntu package today and followed this tutorial:
http://www.blazingmoon.org/guides/k3-on-u810-1.html

I think pretty much all went well and that I found this error when visiting
the Koha instranet:

Koha error

The following fatal error has occurred:

Can't locate ZOOM.pm in @INC (@INC contains: /usr/share/koha/lib
/etc/perl /usr/local/lib/perl/5.10.0 /usr/local/share/perl/5.10.0
/usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.10
/usr/share/perl/5.10 /usr/local/lib/site_perl .) at
/usr/share/koha/lib/C4/Context.pm line 84.
BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Context.pm line 84.
Compilation failed in require at /usr/share/koha/lib/C4/Output.pm line 30.
BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Output.pm line 30.
Compilation failed in require at
/usr/share/koha/intranet/cgi-bin/mainpage.pl line 23.
BEGIN failed--compilation aborted at
/usr/share/koha/intranet/cgi-bin/mainpage.pl line 23.

I think this may be becuase I just can't seem to install this
'Net::Z3950::ZOOM' which seems to be the only think not installing. When I
try to install it I get the error message:
"libnet-z3950-zoom-perl:
 Depends: libyaz3 but it is not going to be installed"

When I try to install libyaz3 I get the following error message:

"libyaz3:
 Depends: libgnutls13 (>=1.4.0-0) but it is not installable
 Depends: libicu36  but it is not installable"

A kind fellow on the IRC chat channel provided me with .deb links to the
above 'uninstallable' packages. The libicu36 one seemed to install fine
(although cannot be found in the synaptic package manager. libicu38 is
installed however). The libgnutls13 however did not. (Error: dependency is
not satifiable: libopencdk10).

What on earth am I to do?

Any help greatly appreciated. Thanks in advance.

Emits
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