copy_assets.bat added; version info updated for week 35; networking::request_filelist() added; constants::ERROR_UNKNOWN_PACKET removed; networking::PacketManager class added for the server; networking::Packet::reset_size() added; constants::PACKET_REQUEST_FILELIST renamed to constants::PACKET_REQUEST_FILE_CHECKSUMS; networking::request_filelist() renamed to networking::request_file_checksums(); networking::send_file_checksums() added; constants::PACKET_SEND_FILE_CHECKSUMS added