issue 175: make alternateFormats a literal list for clarity
issue 175: make alternateFormats a literal list for clarity

abbradar/aeson,roelvandijk/aeson,dmjio/aeson,timmytofu/aeson,plaprade/aeson,nurpax/aeson,neobrain/aeson,neobrain/aeson,lykahb/aeson,sol/aeson,sol/aeson,jkarni/aeson,aelve/json-x,sol/aeson,23Skidoo/aeson,bwo/aeson,beni55/aeson,roelvandijk/aeson,SeanRBurton/aeson,JPMoresmau/aeson