updated to new api version, documented

lib/sightstone/modules/league_module.rb

@@ -2,11 +2,16 @@ require 'sightstone/modules/sightstone_base_module'
 require 'sightstone/summoner'
 require 'sightstone/league'
 
+# module to provide calls to the league api
 class LeagueModule < SightstoneBaseModule
   def initialize(sightstone)
     @sightstone = sightstone
   end
   
+  # Provides league information of a summoner
+  # @param [Summoner, Integer] summoner
+  # @param optional [Hash] optional arguments: :region => replaces default region
+  # @returns [Array<League>] an array of all leagues the summoner and his teams are in
   def league(summoner, optional={})
     region = optional[:region] || @sightstone.region
     id = if summoner.is_a? Summoner
@@ -15,7 +20,7 @@ class LeagueModule < SightstoneBaseModule
       summoner
     end
     
-    uri = "https://prod.api.pvp.net/api/#{region}/v2.1/league/by-summoner/#{id}"
+    uri = "https://prod.api.pvp.net/api/lol/#{region}/v2.2/league/by-summoner/#{id}"
     response = _get_api_response(uri)
     _parse_response(response) { |resp|
       data = JSON.parse(resp)