Added unit test for SphericalCircle
Added unit test for SphericalCircle

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