Merge branch 'feature/279' into 000000-dev
Adding `clear_files_from_host_cache_dir` and `purge_files_from_host_cache_dir`. See: websharks/quick-cache#288
Merge branch '000000-dev' into feature/288
Completed work on `str_replace_once()`, `str_ireplace_once()`, `clear_files_from_host_cache_dir()`, `purge_files_from_host_cache_dir()`, `delete_files_from_host_cache_dir()`, `delete_all_files_dirs_in()`. See: websharks/quick-cache#288
Refactor `auto_purge_user_cache()`. See: websharks/quick-cache#288
For integers in `$counters` used for translation utilities. See: websharks/quick-cache#288
Refactor `auto_purge_post_terms_cache()`. See: websharks/quick-cache#288
Refactor `auto_purge_post_terms_cache()`. See: websharks/quick-cache#288
Refactor `auto_purge_author_page_cache()`. See: websharks/quick-cache#288
Refactor `auto_purge_author_page_cache()`. See: websharks/quick-cache#288
Refactor `auto_purge_custom_post_type_archive_cache()`. See: websharks/quick-cache#288
Refactor `auto_purge_posts_page_cache()`. See: websharks/quick-cache#288
Refactor `auto_purge_home_page_cache()`. See: websharks/quick-cache#288
Refactor `delete_files_from_host_cache_dir()`. See: websharks/quick-cache#288
Refactor `auto_purge_xml_sitemaps_cache()`. See: websharks/quick-cache#288
Refactor `build_host_cache_path_regex()`. See: websharks/quick-cache#288
Refactor `auto_purge_user_cache()`. See: websharks/quick-cache#288
Refactor i18n `files_`, `dirs_` utilities. See: websharks/quick-cache#288
Refactor i18n `files_`, `dirs_` utilities. See: websharks/quick-cache#288
Refactor `auto_purge_post_cache()`. See: websharks/quick-cache#288