Added API improvement suggestions
Added API improvement suggestions

MSeifert04/astropy,tbabej/astropy,tbabej/astropy,aleksandr-bakanov/astropy,stargaser/astropy,kelle/astropy,AustereCuriosity/astropy,tbabej/astropy,DougBurke/astropy,astropy/astropy,AustereCuriosity/astropy,DougBurke/astropy,dhomeier/astropy,pllim/astropy,astropy/astropy,stargaser/astropy,stargaser/astropy,kelle/astropy,joergdietrich/astropy,saimn/astropy,kelle/astropy,pllim/astropy,dhomeier/astropy,AustereCuriosity/astropy,aleksandr-bakanov/astropy,mhvk/astropy,larrybradley/astropy,lpsinger/astropy,stargaser/astropy,bsipocz/astropy,aleksandr-bakanov/astropy,mhvk/astropy,kelle/astropy,DougBurke/astropy,saimn/astropy,larrybradley/astropy,dhomeier/astropy,joergdietrich/astropy,funbaker/astropy,lpsinger/astropy,funbaker/astropy,larrybradley/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,funbaker/astropy,mhvk/astropy,mhvk/astropy,saimn/astropy,StuartLittlefair/astropy,pllim/astropy,StuartLittlefair/astropy,pllim/astropy,larrybradley/astropy,astropy/astropy,astropy/astropy,joergdietrich/astropy,funbaker/astropy,MSeifert04/astropy,joergdietrich/astropy,StuartLittlefair/astropy,bsipocz/astropy,bsipocz/astropy,lpsinger/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,lpsinger/astropy,dhomeier/astropy,saimn/astropy,saimn/astropy,pllim/astropy,larrybradley/astropy,DougBurke/astropy,AustereCuriosity/astropy,dhomeier/astropy,tbabej/astropy,joergdietrich/astropy,bsipocz/astropy,astropy/astropy,kelle/astropy,MSeifert04/astropy,tbabej/astropy,StuartLittlefair/astropy,mhvk/astropy