bin/sb in starting_blocks-0.5.1 vs bin/sb in starting_blocks-0.5.2

@@ -2,13 +2,10 @@
 
 require File.expand_path(File.dirname(__FILE__) + '/../lib/starting_blocks.rb')
 
 options = {}
 
-def display value
-end
-
 arguments = ARGV
 config_file = File.expand_path('~/.sb')
 
 if File.exists?(config_file)
   additional_arguments = File.read(config_file).split(' ')
@@ -32,11 +29,15 @@
 
   StartingBlocks::Runner.new(options).run_files files
 end
 
 if arguments.include? '--watch'
-  StartingBlocks::Watcher.start_watching Dir, options
-  sleep
+  listener = StartingBlocks::Watcher.start_watching Dir, options
+  StartingBlocks.display "Going to sleep, waiting for changes"
+  listener.start
+  loop do
+    sleep(5)
+  end
 elsif arguments.include? '--off'
   StartingBlocks::Extensions::BlinkyLighting.turn_off!
 else
   results = run_all_specs options