Regenerate gemspec for version 0.6.2
Regenerate gemspec for version 0.6.2

vcita/countries,uzbekjon/countries,xronos-i-am/countries,burningpony/countries,HomeStayTravel/countries,chargify/countries,aminin/countries,jeffrey410469/countries,Savedo/countries,charitywater/countries,GUI/countries,JuanitoFatas/countries,7Dump/countries,touristly/countries,adriagalin/countries,tenforwardconsulting/countries,thieunus/countries,fabn/countries,musicglue/countries,ohenrik/countries,nutmegdevelopment/countries,namely/countries,hexorx/countries,dropstream/countries