Simple codenjoy ruby client.

    require 'codenjoy_ruby_client'

    ## CRClient is the alias for CodenjoyRubyClient
    CRClient.run do |query|
      p "We have #{query}"

      'left=0, right=0, rotate=0, drop' # Here is our response to the server
    end

    # Cell status
    CRClient::EMPTY      # ' '
    CRClient::BUSY       # '*'

    # Rotate clockwise
    CRClient::ROTATE_0   # 0
    CRClient::ROTATE_90  # 1
    CRClient::ROTATE_180 # 2
    CRClient::ROTATE_270 # 3