added getLeagueByTeam function.
Merge branch 'master' of https://github.com/kevinohashi/php-riot-api
Added getLeagueByTeam() function. Fixed ordering of functions to match README.md. Added comments to each function in both.
Finished adding comments to functions in main class...
Fixed formatting of readme.
Fixed typo.
Merge pull request #18 from ahubers/master

Fixed function ordering and comments in readme/php-riot-api.