== 1.0 2008-07-18
the first edition

== 1.1 2008-09-09
Changes from version 1.0

* 'the object generation method' and 'the setting method of the encrypting key'
  Camellia.new
  Camellia#set_key('key')
  ->  Camellia.new('key')

* 'CamelliaError#errno' and 'CamelliaError#error' is deleted

* 'CamelliaError' is changed to 'Error'

* the directory name of extended library is changed to 'ext'

* unused file/directory is deleted from the package

== 1.2 2009-01-20
Changes from version 1.1

* It corresponded to ruby-1.9.1-rc1. 

* 'RSTRING()->len' is changed to 'RSTRING_LEN()'.

* 'RSTRING()->ptr' is changed to 'RSTRING_PTR()'.

* This version is tested in ruby 1.8.5, 1.8.7 and 1.9.1 rc1 environment.

* In the version before ruby 1.8.5 that can not use RSTRING_LEN/RSTRING_PTR, then they are automatically defined using RSTRING internally.
