Do not required step_1 to exist to output step help

sequencer/sequencer.sh

@@ -42,7 +42,6 @@ helpSequencer() {
   echo "                            execute only one step with using special step 0"
   echo "                            ( e.g. only execute step 4: $0 \"4 0\" )"
   echo "                            multiple steps need to be given as string"
-  echo 
   echo " [STEP ARGUMENTS]"
   echo "                        * : Arguments will be passed to selected steps as:"
   echo "                            \$2 ..."
@@ -329,12 +328,19 @@ parseAlias() {
 
 # Always display sequencer help and, if available, sequence help
 displayHelp() {
-
+  local stepsFound=0
   helpSequencer
 
-  # check if step definition exists by looking for step_1()
-  existsFunction step_1
-  if [ $? -ne 0 ] ; then
+  # check if step definition exists by looking for a step_*() function
+  for ((i=1; i<=${MAX_STEP}; i++)); do
+    existsFunction step_${i}
+    if [ $? -ne 0 ] ; then
+      continue
+    fi
+    stepsFound=1
+  done
+  
+  if [ $stepsFound -eq 0 ] ; then
     echo -e "\n  It seems ${0##*/} was called directly."
     echo -e "  Please create a sequence script first.\n"
     read -p "  Create a template now? y/n(default)? " answer
@@ -353,7 +359,7 @@ displayHelp() {
     esac
     exit 1;
   else
-    echo "  Step (= alias) documentation:"
+    echo -e "\n  Step (= alias) documentation:"
     for ((i=1; i<=${MAX_STEP}; i++)); do
 
       # Display step reference in help if step function exists