Add changelog entry for #147
Add changelog entry for #147

bsipocz/astropy-helpers,dpshelio/astropy-helpers,embray/astropy_helpers,astropy/astropy-helpers,dpshelio/astropy-helpers,bsipocz/astropy-helpers,embray/astropy_helpers,larrybradley/astropy-helpers,larrybradley/astropy-helpers,astropy/astropy-helpers,embray/astropy_helpers,Cadair/astropy-helpers,Cadair/astropy-helpers,bsipocz/astropy-helpers,larrybradley/astropy-helpers,embray/astropy_helpers