Merged Lmo and updated everything that used it

t/lib/Lmo/extends.t

@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+
+BEGIN {
+   die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
+      unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
+   unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
+};
+
+use strict;
+use warnings FATAL => 'all';
+use English qw(-no_match_vars);
+use Test::More;
+
+use lib "$ENV{PERCONA_TOOLKIT_BRANCH}/t/lib/Lmo";
+use Bar;
+
+my $b = Bar->new;
+
+ok $b->isa('Foo'), 'Bar is a subclass of Foo';
+
+is "@Bar::ISA", "Foo", 'Extends with multiple classes not supported';
+
+ok 'Foo'->can('stuff'), 'Foo is loaded';
+ok not('Bar'->can('buff')), 'Boo is not loaded';
+
+done_testing;