Rakefile in tdi-0.1.0 vs Rakefile in tdi-0.1.1

@@ -1,9 +1,18 @@
 require 'bundler/gem_tasks'
+
+# Default.
+task :default => :help
+
+# Help.
+desc 'Help'
+task :help do
+  system('rake -T')
+end