Add initial version of TimeDelta and TimeDeltaFormat classes
Add initial version of TimeDelta and TimeDeltaFormat classes

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