Additional Ranger Archtypes

King's Ranger: http://www.dandwiki.com/wiki/Kings_Ranger_(5e_Subclass)
Nightstalker: http://www.dandwiki.com/wiki/Nightstalker_(5e_Subclass)
Sniper: http://www.dandwiki.com/wiki/Sniper_(Ranger_Archetype)_(5e_Subclass)