Update to v1.4 for new functions and improvements

BASIC8

BASIC8 is an integrated Fantasy Computer for game and other program development. You can create, share and play disks in a modern BASIC dialect, with built-in tools for editing sprite, tiles, map, quantized, etc.

Visible and sensible changes: [list] [*]Added a switch of automatic frame buffer clearing [*]Added a [b]CLS[/b] function to clear frame buffer manually [*]Added a [b]SET_CLEARER[/b] function to set the switch of automatic frame buffer clearing [*]Fixed a termination issue with music [/list] Transparent changes: [list] [*]Updated many 3rd-party libraries [*]Fixed a state checking bug with right mouse click [*]Fixed an accuracy issue with the [b]TOUCH[/b] function [/list]