php notices (in debug mode)

Dear plugin developers,
in our testing environment a couple of php errors and notices were coming up (debug on, php 5.6), most related to undefined variables. Could you please add some conditional values like this:

$post_package_id = !empty($package_info->pid) ? $package_info->pid : '';

in geodirectory_hooks_actions.php line 2426,

geodirectory_template_actions.php line 2326, and in line 2375:

$image_limit = isset($package_info->image_limit) ? $package_info->image_limit : -1;

/geodirectory-admin/admin_functions.php line 2022, and inside input tag

readonly

instead of

readonly="readonly"

, line 2668, 2788

/geodirectory-functions/custom_fields_functions.php 2184, readonly in line 1880 and 4035, additional:

if (isset($post->{$type['htmlvar_name']})):

in line 2388 and 2885 and and of line 2828

and in geodirectory_payment_functions.php (AddOn Payments Manager) line 3182

–GeoDirectory 1.6.4, WP 4.5.3, PHP 5.6–