Add docs on get and set items
Add docs on get and set items

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