Better names for concat and split size bindings.
Better names for concat and split size bindings.

mrakgr/futhark,ihc/futhark,CulpaBS/wbBach,HIPERFIT/futhark,mrakgr/futhark,mrakgr/futhark,ihc/futhark,HIPERFIT/futhark,diku-dk/futhark,diku-dk/futhark,HIPERFIT/futhark,ihc/futhark,diku-dk/futhark,diku-dk/futhark,diku-dk/futhark