Incorporate a few Appveyor config options suggested by @ryan-roemer.
Incorporate a few Appveyor config options suggested by @ryan-roemer.

kof/radium,andyhite/radium,Cottin/radium,richardfickling/radium,clessg/radium,WillJHaggard/radium,AnSavvides/radium,rolandpoulter/radium,rolandpoulter/radium,basarat/radium,yetone/radium,haridusenadeera/radium,moret/radium,namuol/radium-insert-rule,dabbott/radium,lexical-labs/radium,jurgob/radium,bencao/radium,FormidableLabs/radium,Cottin/radium,almost/radium,andyhite/radium,bobbyrenwick/radium,nfl/radium,KenPowers/radium,MicheleBertoli/radium,KenPowers/radium,yetone/radium,bencao/radium,clessg/radium,haridusenadeera/radium