adding section on attribute finder methods to readme.
adding section on attribute finder methods to readme.

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