Fixed composer.json.
Fixed doc all around.
Valid composer.json.
Fixes attachment for PEAR senders.
Fixed PEAR E_STRICT.

If you are using SMTP, error_reporting for E_STRICT is disabled.
Added a mocking sender for testing applications.
Improved documentation for PEAR senders.
Options for sender are optional and defaulted to an empty array.
Adds profiling support.
Fixes duplicated headers Content-Type in Mail_Sender_Mail.
Sending mail does not alter the sender so it can be reused.
Avoid duplicated Subject header in Mail_Sender_Mail.
Adds documentation for heavy mail sending using register_shutdown_function.
Mail_Sender_Mock has a stack of sent mail.

It is useful to test what mail have been sent.
Logs mocked mail for debugging.
Adds a Message-ID generator in Mailer class.
Mock sender exposes attachment for further testing.
Added a Message ID generator following some obscure recommendations.
Fixed license in documentation.
Update README.md

Using code blocks for examples.
Update README.md
Update README.md
Update README.md

Adds documentation about Mail_Sender_Mock for testing.
Adds a header helper for Content-Type.
Merge branch '3.3/master' of github.com:Hete/kohana-mail into 3.3/master