tracking: Added latest_external() method
tracking: Added latest_external() method

skylines-project/skylines,Harry-R/skylines,snip/skylines,shadowoneau/skylines,Turbo87/skylines,TobiasLohner/SkyLines,TobiasLohner/SkyLines,skylines-project/skylines,Turbo87/skylines,shadowoneau/skylines,snip/skylines,dkm/skylines,TobiasLohner/SkyLines,Harry-R/skylines,dkm/skylines,kerel-fs/skylines,skylines-project/skylines,RBE-Avionik/skylines,dkm/skylines,RBE-Avionik/skylines,kerel-fs/skylines,Harry-R/skylines,Harry-R/skylines,RBE-Avionik/skylines,RBE-Avionik/skylines,dkm/skylines,kerel-fs/skylines,shadowoneau/skylines,Turbo87/skylines,Turbo87/skylines,snip/skylines,shadowoneau/skylines,skylines-project/skylines