Update v1.0.4 Released

I did some refinements as below: [list] [*]Some small performance improvements related to particles. [*]Applied low-pass filter to some sound effects. [*]Added screen size option 1728x1080 (8:5). [*]Other minor improvements in the program and icon. [/list] Currently I'm working on multi-platform supports. A Mac port will be pretty soon released :)