Pixilang 1.3

Pixilang 1.3 has been released with a range of new features:

Main features:

* added commands for video-export to AVI file; at the moment working in Windows only;
* added command resume_video_export();
* parameters of t_translate() changed to fixed point (1.0 = 256);
* fixed bug with pixi-sound playing;
* internal structure optimization;
* fixed bugs with print() command;
* changed priority of math operations;
* added new construction: while( .. ) { .. };
* increased precision of delay in frame() command;
* changed pixi-image sound playing in stereo mode: now red is right channel and green is left channel;
* added functions for drawing array of 3D-triangles: triangles3d(), pixi_triangles3d, sort_triangles;
* new functions: t_get_matrix(), t_set_matrix(), t_mul_matrix(), t_get_x(), t_get_y(), t_get_z();
* added software Pixel Shaders (version PS1);
* added two options in config file: noborder and windowname;
* new command: exit() - exit to OS; exit(1) - exit to OS with exit-code 1;
* new command: noesc(1) - no exit on ESC; noesc(0) - exit on ESC;
* fixed bug with negative frame numbers;
* now during pixi-program compilation virtual disk0 defined to the file "data.tar"; so you can include TXT files from disk0 (INCLUDE "0:/blabla.txt");
* removed zoom() command (please, use scaled pixi instead).