Merge pull request holman#62 from Niggler/master

--help also invokes help

Author: holman

spark

@@ -66,7 +66,7 @@ if [ "$BASH_SOURCE" == "$0" ]; then
     cat <<EOF
 
     USAGE:
-      spark [-h] VALUE,...
+      spark [-h|--help] VALUE,...
 
     EXAMPLES:
       spark 1 5 22 13 53
@@ -79,7 +79,7 @@ EOF
   }
 
   # show help for no arguments if stdin is a terminal
-  if { [ -z "$1" ] && [ -t 0 ] ; } || [ "$1" == '-h' ]
+  if { [ -z "$1" ] && [ -t 0 ] ; } || [ "$1" == '-h' ] || [ "$1" == '--help' ]
   then
     help
     exit 0