Fix XMLQuerier#to_s for Ruby 1.9 by calling Array#join('') instead of Array#to_s.
Fix XMLQuerier#to_s for Ruby 1.9 by calling Array#join('') instead of Array#to_s.

rdougan/adyen,mvz/adyen,mvz/adyen,modyo/adyen,viniciusnz/adyen,upmysport/adyen,viniciusnz/adyen,surfdome/adyen,mvz/adyen,trekdemo/adyen,rdougan/adyen,trekdemo/adyen,trekdemo/adyen,rdougan/adyen,prognostikos/adyen,viniciusnz/adyen,prognostikos/adyen,prognostikos/adyen