Added credential delegation

[macosforgebot]

message.adams@… originally submitted this as ticket:847

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Important functionality currently missing from PyKerberos, is the ability for a middle tier server to reuse the client's credentials to authenticate against another server (credential delegation).

ticket #⁠481 (submitted by Daniel) kindly added a patch for this, but the patch also contained a number of other changes which may prevent the delegation work from being committed to trunk. This ticket contains just the delegation work submitted by Daniel, which I hope will expedite these changes into trunk - as I feel this is very valuable functionality.

[macosforgebot]

message.adams@… originally submitted this as _attachment:patch_forticket%23847.patch:⁠ticket:847_

• Attachment _patch_forticket#847.patch_ (7.6 KB) added

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Change patch

[macosforgebot]

@wsanchez originally submitted this as comment:1:⁠ticket:847

• Milestone set to Sooner

[macosforgebot]

@cyrusdaboo originally submitted this as comment:2:⁠ticket:847

• Status changed from new to closed
• Resolution set to Software changed

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Patch applied in r13269.