Updated astropy-helpers to v0.4.2
Updated astropy-helpers to v0.4.2
mwcraig/reproject,bsipocz/reproject,barentsen/reproject,mwcraig/reproject,barentsen/reproject,astrofrog/reproject,astrofrog/reproject,astrofrog/reproject,bsipocz/reproject,barentsen/reproject