sequencer - fix -pl failing when there is no step 1

sequencer.sh

@@ -1098,7 +1098,7 @@ displayHelp() {
 
       # Display step help only if info function exists
       if exists -f "step_${i}_info" ; then
-        "step_${i}_info" "$i"
+        "step_${i}_info" "$i" || true
       else
         echo
       fi
@@ -1600,7 +1600,7 @@ sqr::main() {
   if exists -f seq_config ; then
 
     # Create/edit configuration file
-    if [ $_seq_configEdit -ne 0 ] ; then
+    if (( _seq_configEdit )) ; then
       # Suppress seq_config output for editing
       quietSave=${LOG_LEVEL}
       LOG_LEVEL=0
@@ -1614,15 +1614,13 @@ sqr::main() {
       [ ${emptyCall} -ne 0 ] && exit 0
     fi
 
-    if checkStep "${toStart[0]}" >/dev/null ; then
+    if checkStep "${toStart[0]}" >/dev/null 2>&1 ; then
       if ! seq_config "${seq_args[@]}" ; then
         error "Configuring sequence failed"
         exit 1
       fi
-    else
-      return 1
     fi
-  elif [ ${_seq_configEdit} -ne 0 ] ; then
+  elif (( _seq_configEdit )) ; then
     error "Sequence does not have a configuration file"
     return 1
   fi