exe/conoha in conoha-0.0.11 vs exe/conoha in conoha-0.1.0

@@ -29,10 +29,12 @@
     x[1]
   end
 end
 
 case subcommand
+when 'version', '--version', '-v'
+  puts ConohaVersion::ITSELF
 when 'authenticate'
   Conoha.authenticate!
   puts 'Succeeded!'
 when 'vpslist'
   pp Conoha.vps_list
@@ -58,13 +60,13 @@
   puts Conoha.create_image server_id(ARGV[0]), name
 when 'imagedelete'
   exit 1 if ARGV.size != 1
   image_ref = image_ref_or_name ARGV.first
   puts Conoha.delete_image image_ref
-when 'createfromimage'
-  exit 1 if ARGV.size != 2
+when 'createfromimage', 'restore'
+  exit 1 if ARGV.size < 1
   image_ref = image_ref_or_name ARGV[0]
-  ram = ARGV[1]
+  ram = ARGV[1] || 'g-1gb'
   puts Conoha.create_from_image image_ref, ram
 when 'ssh'
   exit 1 if ARGV.size < 1 || 2 < ARGV.size
   ipaddress = ipv4(Conoha.ip_address_of(server_id(ARGV.first)))
   user = ARGV[1].nil? ? '' : "#{ARGV[1]}@"