v3.1.0: Various additions, zc158 and PHP 8.2 support

This release contains changes associated with the following GitHub issues:

#44: Add notifications to enable site-specific customizations.
#50: Document that any image/file names containing USU's reg_anchors (e.g. -p-) will also be redirected.
#51: Correct PHP Fatal error when a URL contains invalid characters.
#52: Correct out-of-memory condition for sites with large numbers of products; using per-page caching instead of database-caching.
#53: Drop support for Zen Cart versions prior to 1.5.7a
#54: Use zen_cfg_read_only for the plugin's configured version.
#55: Add support for the ask_a_question page.
#56: Add support for the product_reviews_write page.

v3.0.11: Bugfix

This release contains the change for #48, properly removing the zenAdminID parameter from admin-generated catalog href-links.

v3.0.10: Bugfixes

This release contains changes associated with the following GitHub issues:

#46: Correct MySql fatal error for misconfigured products.
#47: Remove duplicate configuration setting associated with an older version of USU.

v3.0.9: Bugfixes

This version contains changes associated with the following GitHub issues:

#42: Deleted product results in browser redirect loop.
#43: 'Old' URLs aren't being rewritten to their new homes.

v3.0.9-beta2: Redirect changes, correcting cache regeneration

This version contains changes associated with the following GitHub issues:

#42: Deleted product results in browser redirect loop.
#43: 'Old' URLs aren't being rewritten to their new homes.

v3.0.9-beta1: Correcting redirect-loop on invalid products_id

This beta release contains the correction for GitHub issue #42; available as a pre-release for 3rd party testing.

v3.0.8: Bugfixes

This release contains changes associated with GitHub issue #41 (Missing zen_product_in_parent_category during admin processing).

v3.0.7: Bugfixes and some refactoring

This release contains changes associated with the following GitHub issues:

#36: Refactor to use zen_get_products_name when gathering a product's name
#37: Refactoring to prevent PHP notices.
#38: Correcting PHP notices for malformed URLs.
#39: Corrections for PHP 8.0 compatibility.

v3.0.6: Correcting PHP Parse error introduced in v3.0.5

This release contains the subject correction, see #35.

v3.0.5: Bugfixes

DO NOT USE!

This release contains a PHP parse error (see #35). Use v3.0.6 instead

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This release contains changes associated with the following GitHub issues:

#32: Strip unwanted &'s from the generated href_link.
#34: Correct admin PHP warnings when creating storefront links.