started filling in docs, added TODOs for self
started filling in docs, added TODOs for self

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