Pixilang 3.4.1

Pixilang updated to version 3.4.1.
What is new:

• new key code - KEY_MENU;
• added address checking; now you can't call undefined functions;
• new container flag: CFLAG_INTERP - enable linear image interpolation (software mode);
• new constant - OPENGL (1 - if OpenGL available);
• new function: get_real_path() - convert Pixilang-style path (e.g. 1:/img.png) to the real filesystem path;
• new functions for working with file list: new_flist(), remove_flist(), get_flist_name(), get_flist_type(), flist_next();
• new graphics examples: interpolation, tornado, file_list_sorted;
• new console examples: get_real_path, file_list, file_list_sorted;
• bugs fixed.