fix config merge issue which reported at #336
fix config merge issue which reported at #336

mwdg/esformatter,stutrek/esformatter,leftstick/esformatter,wbinnssmith/esformatter,uiureo/esformatter,royriojas/esformatter,millermedeiros/esformatter,glifchits/esformatter,Flet/esformatter,sakabako/esformatter,TommyM/esformatter