Make .to(other) return the result for a value with all ones.
Make .to(other) return the result for a value with all ones.

And fix .items() to directly return a tuple, for nicer interactive viewing.

pllim/astropy,StuartLittlefair/astropy,astropy/astropy,mhvk/astropy,larrybradley/astropy,astropy/astropy,saimn/astropy,astropy/astropy,pllim/astropy,lpsinger/astropy,mhvk/astropy,saimn/astropy,mhvk/astropy,saimn/astropy,pllim/astropy,mhvk/astropy,lpsinger/astropy,saimn/astropy,StuartLittlefair/astropy,larrybradley/astropy,StuartLittlefair/astropy,astropy/astropy,StuartLittlefair/astropy,larrybradley/astropy,larrybradley/astropy,lpsinger/astropy,lpsinger/astropy,astropy/astropy,saimn/astropy,larrybradley/astropy,StuartLittlefair/astropy,mhvk/astropy,pllim/astropy,lpsinger/astropy,pllim/astropy