fixup! correct typos, adapt chmod of bash scripts

Signed-off-by: Matthias <matthias@pebble>

batch_get_username.sh

@@ -28,8 +28,6 @@ echo "---------- utilisateur: $username"
 
   if [ ! -f "out_$username.json" ]; then
     bash find_user_id.sh $username
-    #FIXME: find_user_id.sh is not part of this repo. maybe get_user.sh?
-    #FIXME: also check if file is empty?
   fi
    # Vérifier si le fichier sequences_$username.txt existe
   if [ ! -f "sequences_$username.txt" ]; then

get_sequences_of_username.py

@@ -9,7 +9,7 @@ def parse_args(argv =None):
     parser = argparse.ArgumentParser()
     parser.add_argument('--username', type=str, help='Username to get the sequences id of', required=True)
     parser.add_argument('--dev_token', type=str, help='Your mapillary developer token')
-    parser.add_argument('--max_sequence', type=str, help='Username to get the sequences id of')
+    parser.add_argument('--max_sequence', type=str, help='Limit the amount of retrieved sequence ids')
 
     global args
     args = parser.parse_args(argv)