fixes in images and for loop (#119)

Author: ldemailly

go.mod

@@ -8,7 +8,7 @@ require (
 	fortio.org/scli v1.15.2
 	fortio.org/version v1.0.4
 	github.com/bwmarrin/discordgo v0.28.1
-	grol.io/grol v0.70.1
+	grol.io/grol v0.70.2
 )
 
 // replace grol.io/grol => ../grol

go.sum

@@ -45,5 +45,5 @@ golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-grol.io/grol v0.70.1 h1:Yw9GVobo7MWDwMGyT9Q/uH3CxebX8GSQ0smJh9+cR6I=
-grol.io/grol v0.70.1/go.mod h1:HAy6XIOVuBSiF8NcIKSo71raxYD/7xjZCLvkPDk5PH4=
+grol.io/grol v0.70.2 h1:aiaDlLI9xmAN/k/q6/M6VWP+GuN5+DrUClTbBE3uZOc=
+grol.io/grol v0.70.2/go.mod h1:HAy6XIOVuBSiF8NcIKSo71raxYD/7xjZCLvkPDk5PH4=