More fixes to SkillNodeList and GetShortestPathTo
More fixes to SkillNodeList and GetShortestPathTo

To much was removed so had to add stuff back for it to work as it
should.

nikibobi/PoESkillTree,BlueManiac/PoESkillTreeSource,mihailim/PoESkillTree,EmmittJ/PoESkillTree,MLanghof/PoESkillTree,brather1ng/PoESkillTree,l0g0sys/PoESkillTree,Yskuma/PoESkillTree,Ttxman/PoESkillTree,PoESkillTree/PoESkillTree