Allow upper- and lowercase answers

steps/10-wipe.step

@@ -4,14 +4,14 @@ echo "~> Going to wipe $blockdevice. Just skip it if you are really sure that th
 echo -n "~> Wipe block device? (Y/n) "
 read answer
 
-if [ "$answer" == "n" ]; then
+if [ "$answer" == "n" ] || [ "$answer" == "N" ]; then
 	exit 0
 fi
 
 echo -n "~> You sure? (y/N) "
 read answer
 
-if [ "$answer" == "y" ]; then
+if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
 	echo "~> OK. Be patient now, that could take some time..."
 	dd if=/dev/zero of=$blockdevice status=progress
 	exit 0

steps/30-formatting.step

@@ -6,7 +6,7 @@ mkfs.fat -F32 ${blockdevice}1
 echo -n "~> Do you want to encrypt root? (Y/n) "
 read answer
 
-if [ "$answer" == "n" ]; then
+if [ "$answer" == "n" ] || [ "$answer" == "N" ]; then
 	echo "~> There are close to no reasons to not do this, but hey, you're an adult."
 	rootformat=${blockdevice}2
 else

steps/60-user.step

@@ -3,7 +3,7 @@
 echo -n "~> Do you want to create an user account? (Y/n) "
 read answer
 
-if [ "$answer" == "n" ]; then
+if [ "$answer" == "n" ] || [ "$answer" == "N" ]; then
 	exit 0
 else
 	echo -n "   Name of your new user? "