#50 Standalone server: fix file uploads

[A.M. Kuchling]

The standalone server doesn't set the content-type,
which means that multipart/form-data doesn't work,
which means
that file uploads don't work, which means that creating
attachments doesn't work.

The attached patch sets content-type, and adds
an inefficient .readline() method because the 'cgi'
module needs it.

[A.M. Kuchling]

[Thomas Waldmann]

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Thanks for the patch.

It will be in arch soon and also in 1.2.2.