This program is copyrighted free software by NAKAMURA, Hiroshi.  You can
redistribute it and/or modify it under the same terms of Ruby's license;
either the dual license version in 2003, or any later version.

httpclient/session.rb is based on http-access.rb in http-access/0.0.4.
Some part of code in http-access.rb was recycled in http-access2.rb.
Those part is copyrighted by Maehashi-san who made and distributed
http-access/0.0.4. Many thanks to Maehashi-san.
