fix: make sure to call exit when displating help

Author: Michael Reinsch

bin/ctb_list_creations

@@ -35,6 +35,7 @@ opt_parser = OptionParser.new do |opt|
 
   opt.on("-h","--help","help") do
     puts opt_parser
+    exit
   end
 end
 

bin/ctb_list_creators

@@ -35,6 +35,7 @@ opt_parser = OptionParser.new do |opt|
 
   opt.on("-h","--help","help") do
     puts opt_parser
+    exit
   end
 end
 

bin/ctb_uploader

@@ -55,6 +55,7 @@ opt_parser = OptionParser.new do |opt|
 
   opt.on("-h","--help","help") do
     puts opt_parser
+    exit
   end
 end