Add timeout-related work to CHANGELOG.
Add timeout-related work to CHANGELOG.

rayzeller/geocoder,TrangPham/geocoder,tiramizoo/geocoder,Devetzis/geocoder,aceunreal/geocoder,sjaveed/geocoder,mehlah/geocoder,ankane/geocoder,brian-ewell/geocoder,boone/geocoder,rdlugosz/geocoder,guavapass/geocoder,rios1993/geocoder,FanaHOVA/geocoder,donbobka/geocoder,mveer99/geocoder,AndyDangerous/geocoder,mdebo/geocoder,alexreisner/geocoder,moofish32/geocoder