more fixes

doorcontrol-main.cgi

@@ -22,7 +22,7 @@ fi
 # Check password
 read apiKey <"${PASSWD_FILE}"
 if [ "${param[apiKey]}" != "${apiKey}" ]; then
-  echo '{"error": "Invalid credentials",}'
+  echo '{"error": "Invalid credentials"}'
   rm "$LOCKFILE"
   exit 1
 fi
@@ -42,7 +42,7 @@ fi
 #echo "Waiting ..."
 sleep ${param[delay]}
 
-echo '{"message": "Unlocked",}'
+echo '{"message": "Unlocked"}'
 
 #echo "out" > /sys/class/gpio/gpio${PIN[7]}/direction