Add is_range trait
Add is_range trait

thrust/thrust,zeryx/thrust,zhenglaizhang/thrust,zhenglaizhang/thrust,marksantos/thrust,xiongzhanblake/thrust,mohamed-ali/thrust,sarvex/thrust,xiongzhanblake/thrust_src,andrewcorrigan/thrust-multi-permutation-iterator,Ricardo666666/thrust,arnabgho/thrust,arnabgho/thrust,zeryx/thrust,jaredhoberock/thrust,GrimDerp/thrust,mohamed-ali/thrust,thvasilo/thrust,jaredhoberock/thrust,xiongzhanblake/thrust_src,thrust/thrust,GrimDerp/thrust,sdalton1/thrust,thrust/thrust,marksantos/thrust,zeryx/thrust,sarvex/thrust,arnabgho/thrust,thrust/thrust,sdalton1/thrust,mohamed-ali/thrust,andrewcorrigan/thrust-multi-permutation-iterator,GrimDerp/thrust,dachziegel/thrust,dachziegel/thrust,xiongzhanblake/thrust,egaburov/thrust,marksantos/thrust,zhenglaizhang/thrust,thrust/thrust,Ricardo666666/thrust,raygit/thrust,Ricardo666666/thrust,sarvex/thrust,raygit/thrust,dachziegel/thrust,xiongzhanblake/thrust,jaredhoberock/thrust,xiongzhanblake/thrust_src,thvasilo/thrust,egaburov/thrust,andrewcorrigan/thrust-multi-permutation-iterator,jaredhoberock/thrust,egaburov/thrust,sdalton1/thrust,thvasilo/thrust,jaredhoberock/thrust,raygit/thrust