Implemented a function for trailing slash (backslash) normalization
Reimplemented extract_file_path() function
Updated test cases for extract_file_path() function
Updated documentation for extract_file_path() function
Updated TODO list
Updated documentation for extract_file_name() function
Updated documentation for extract_base_name() function
Renamed ensure_trailing_slash() function to ensure_trailing_path_delimiter()
Updated description of parameters in the documentation
Refactored argument names
Updated test for the ensure_trailing_path_delimiter() function