Added initial version of a function to help find which pixel axes are correlated with which world axes
Added initial version of a function to help find which pixel axes are correlated with which world axes

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