Proger: Core - Core of the main functions

- The list of classes for replacement when adapting third-party templates for multilingualism has been expanded.

- Added classes for integration with multilingual modules of MultiMax and MultiNext templates, which ensures correct operation of multilingualism with these solutions “out of the box”.

- Minor updates to main class methods

- Minor changes

- Added new class methods

- Minor improvements and tweaks

- Some improvements

- Added functionality

- Fixed an error in saving module access levels

- Minor changes

- Added some common classes

- Added new classes

- Added new features