added convenience 'cmd' method to batch
added convenience 'cmd' method to batch

TMG-nl/libredis,TMG-nl/libredis,TMG-nl/libredis,toymachine/libredis,TMG-nl/libredis,toymachine/libredis,toymachine/libredis,toymachine/libredis,TMG-nl/libredis,toymachine/libredis