Rename variables to better respect the key-value pair nature of the config

ptgdp

@@ -354,10 +354,10 @@ main() {
 		while read line; do
 			# If the line has an equals sign and isn't a comment
 			if [ "$line" != "${line#*=}" ] && validateline "$line"; then
-				local varname="${line%=*}"
+				local key="${line%=*}"
 				local value="${line#*=}"
-				_config[$varname]="$value"
-				log "Setting $varname to $value" 2
+				_config[$key]="$value"
+				log "Setting $key to $value" 2
 			fi
 		done < "$_optconfigfile"
 	else