Fix using $1 to check if no step was given, although it was shifted

Dry run no longer also assumes -q (quiet) option

sequencer/sequencer.sh

@@ -428,13 +428,13 @@ exep() {
 
 main() {
   local START=0
+  local EMPTYCALL=1
 
   # options check
   for arg in "$@" ; do
     case "$1" in
       --dry-run|-d) # shows what would be done
         DRY=1
-        QUIET=1
         shift
         ;;
       --help|-h) # show only help
@@ -462,6 +462,7 @@ main() {
     # Assume starting at one for interactive mode
     START=1
   else
+    EMPTYCALL=0
     read -r -a START <<< "$1" 
     shift
     STEP_ARGS="$@"
@@ -484,7 +485,7 @@ main() {
   fi
 
   # check for starting step  
-  if [ -z "$1" ] ; then
+  if [ $EMPTYCALL -ne 0 ] ; then
     # End here on quiet mode and no step was given
     if [ $QUIET -eq 1 ] ; then
       exit 1;