small fixes to facilitate command line usage

bin/fog

@@ -12,8 +12,17 @@ end
 
 require 'fog/core/bin'
 
+providers = Fog.providers.map{|provider| provider.to_s}
+providers = if providers.length > 1
+  providers[0...-1].join(', ') << ' and ' << providers[-1]
+else
+  providers.first
+end
+
 if ARGV.length > 1
-  print(instance_eval(ARGV[1..-1].join(' ')).to_json)
+
+  puts(instance_eval(ARGV[1..-1].join(' ')).to_json)
+
 else
 
   ARGV.clear # Avoid passing args to IRB
@@ -25,12 +34,6 @@ else
   @irb.context.prompt_mode = :FOG
   @irb.context.workspace = IRB::WorkSpace.new(binding)
 
-  providers = Fog.providers.map{|provider| provider.to_s}
-  providers = if providers.length > 1
-    providers[0...-1].join(', ') << ' and ' << providers[-1]
-  else
-    providers.first
-  end
   Formatador.display_line('Welcome to fog interactive!')
   Formatador.display_line(":#{Fog.credential.to_s} credentials provide #{providers}")
   providers = Fog.providers

lib/fog/core/collection.rb

@@ -112,7 +112,7 @@ module Fog
     end
 
     def to_json
-      self.map {|member| member}.to_json
+      self.map {|member| member.attributes}.to_json
     end
 
     private