Fix Table read and write docstrings
Fix Table read and write docstrings

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