Update to v1.5 for new speech synthesizer and other 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.

Library: [list] [*]Added a [b]SAY[/b] function to synthesize speech [/list] Editor: [list] [*]Added a [b]PICK_DIRECTORY_DIALOG[/b] function to scriptable plugin [*]Added [b]GET_ASSETS[/b], [b]OPEN_ASSETS[/b] functions to scriptable plugin [*]Fixed a crash bug if frame count was greater than the limitation with scriptable plugin [*]Fixed a selection bug when frame count was greater than 256 [*]Fixed an asset invalidation issue with cross frame operations with scriptable plugin [*]Fixed an acquiring issue when copying an entire asset [/list]