Refactor step 1 - moved repeated call to @connection.get.
Refactor step 2 - moved repeated call to .body.
Refactor step 3 - moved repeated calls to endpoint_precursor.
Merge pull request #31 from pcg79/refactor_resources

Refactor resources
Minor refactor of Summoner resource.
Merge pull request #32 from pcg79/minor_refactor_summoner

Minor refactor of Summoner resource.
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