[fix] Attempt to fix incorrect `pod list [DAYS]'
[fix] Attempt to fix incorrect `pod list [DAYS]'

The command can picked a commit that was in a
branch and presented an overestimated number of new pods
as the branch may include the pods added to master
during its life time

The issues is recognizable by the following pattern
`$pod list 2' => shows 20 new pods
`$pod list 3' => shows a correct low number of new pods

brianmichel/Core,gabro/Core,CocoaPods/Core,dnkoutso/Core,k0nserv/Core,orta/Core,Ashton-W/Core,dacaiguoguogmail/Core,AdamCampbell/Core