Fix the creation of abbreviations for the command line tasks.

The code to create the shortcuts just needed to be moved after the tasks
are defined, so that tasks.keys doesn't return an empty list.

lib/shopify_api/cli.rb

@@ -8,10 +8,6 @@ module ShopifyAPI
     class ConfigFileError < StandardError
     end
 
-    tasks.keys.abbrev.each do |shortcut, command|
-      map shortcut => command.to_sym
-    end
-    
     desc "list", "list available connections"
     def list
       available_connections.each do |c|
@@ -107,7 +103,11 @@ module ShopifyAPI
       ARGV.clear
       IRB.start
     end
-    
+
+    tasks.keys.abbrev.each do |shortcut, command|
+      map shortcut => command.to_sym
+    end
+
     private
     
     def shop_config_dir