Initial work to parse XML files from OpenGotha
Initial work to parse XML files from OpenGotha

* Use nokogiri to parse uploaded XML file from OpenGotha
  (Several example files have been added to the repo to make it easier
  to develop / test)

* Grab upcoming games and player objects, then merge those into an array
  of hashes with player info in them for white and black

usgo/gocongress,usgo/gocongress,usgo/gocongress,usgo/gocongress