Added ability to create a class based force
Added ability to create a class based force

NaderCHASER/cesium,kiselev-dv/cesium,AnimatedRNG/cesium,geoscan/cesium,CesiumGS/cesium,hodbauer/cesium,ggetz/cesium,CesiumGS/cesium,josh-bernstein/cesium,likangning93/cesium,wallw-bits/cesium,jason-crow/cesium,progsung/cesium,AnalyticalGraphicsInc/cesium,kaktus40/cesium,aelatgt/cesium,josh-bernstein/cesium,YonatanKra/cesium,AnalyticalGraphicsInc/cesium,NaderCHASER/cesium,emackey/cesium,oterral/cesium,hodbauer/cesium,ggetz/cesium,emackey/cesium,jason-crow/cesium,omh1280/cesium,soceur/cesium,aelatgt/cesium,hodbauer/cesium,omh1280/cesium,oterral/cesium,wallw-bits/cesium,YonatanKra/cesium,denverpierce/cesium,soceur/cesium,jasonbeverage/cesium,wallw-bits/cesium,kiselev-dv/cesium,emackey/cesium,likangning93/cesium,likangning93/cesium,aelatgt/cesium,jason-crow/cesium,jasonbeverage/cesium,jason-crow/cesium,soceur/cesium,omh1280/cesium,CesiumGS/cesium,kaktus40/cesium,omh1280/cesium,geoscan/cesium,kiselev-dv/cesium,NaderCHASER/cesium,CesiumGS/cesium,denverpierce/cesium,kiselev-dv/cesium,progsung/cesium,ggetz/cesium,aelatgt/cesium,likangning93/cesium,AnimatedRNG/cesium,denverpierce/cesium,emackey/cesium,oterral/cesium,wallw-bits/cesium,AnimatedRNG/cesium,YonatanKra/cesium,CesiumGS/cesium,ggetz/cesium,denverpierce/cesium,YonatanKra/cesium,likangning93/cesium,AnimatedRNG/cesium