Merge pull request #71 from BenFradet/develop

2.1
Changed SR_6x6 to HEXAKILL

If this is not implemented GetRecentGames will crash for people who have played the new Hexakill lately.
Edited another HEXAKILL value.

See previous commit.
Some more changes for Hexakill
Merge pull request #79 from Jeffroiscool/master

Added support for the new Hexakill on Twisted Treeline.
Merge pull request #80 from Jeffroiscool/patch-1

Some more changes for Hexakill #79
Hexakill for PlayerStatsSummary, fixes #83
few changes in Program.cs
Merge branch 'master' into develop

Conflicts:
	RiotSharp/StatsEndpoint/Converters/PlayerStatsSummaryType.cs
	RiotSharpExample/Program.cs