Fix up Cached Buffer in Fruit Salad branch/dir.

[LiamKarlMitchell]

It should not have this. variables all over the place those things are not accessed outside it so should just be var.

Only a few of the things need to persist / be on this.

[LiamKarlMitchell]

Also it might be better to have a fixed sized buffer rather than concat. Since that would need to allocate memory each time right?

[przemyslawwalczak]

Yeah some limit to the buffer would be nice. Concat still would be used since we are processing data of that.