Fixes for push corner case TAH found a bug where push would push things the remote already had, raising an assertion. This turned out to be because the changeset protocol was not recording a common subset node in one case. Also discovered was that the protocol was queueing multiple copies of a node for pull. Fixed by changing fetch to a hash. Add some more debugging output.

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a

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checking changesets

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checking manifests

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crosschecking files in changesets and manifests

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checking files

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1 files, 1 changesets, 1 total revisions

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cat: a: No such file or directory

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checking changesets

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checking manifests

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crosschecking files in changesets and manifests

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checking files

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1 files, 1 changesets, 1 total revisions

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a