new option: 'minimumPolySize': (number) The minimum width or height of the bounding box of a feature (other than type 'Point') in pixels before it is forced into a cluster, even if the cluster ends up containing only this one feature. 0 or false to disable this functionality. Defaults to 50.

First usable and tested release with working LineStrings and Polygons and the new options 'setProperty' and 'recolorSVG'