Adding Vigor#summoners for multiple id lookup
refactoring vigor.rb
refactoring; adding summoners test
adding stats
Adding champion_stats
Added Enumerable and [] to ChampionStats
Refactoring stats, adding stats tests
adding champion_stats_spec, some renaming + refactoring
Merge branch 'last_endpoints' of https://github.com/zetsubo/vigor into zetsubo-last_endpoints

Conflicts:
	lib/vigor.rb