| ⇢ | A | Version_Selector added |
| ⇢ | B | Version_Selector::is_version_update_required() added | |
| ⇢ | A | Version_Selector::is_plugin_version_dev() added | |
| ⇢ | A | Classes_Handler::create_classmap_path_array() added | |
| ⇢ | A | Files_Handler::create_filemap_path_array() added | |
| ⇢ | A | Version_Selector::is_package_version_dev() added |