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				@@ -48,6 +48,8 @@ N  - add ipv6 support. 
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				 N&R  - Update Spec 
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				 R  X learn from ben about his openssl-reinitialization-trick to 
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				      rotate tls keys without making new connections. 
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				+   - Do something to prevent spurious EXTEND cells from making middleman 
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				+     nodes connect all over.  Rate-limit failed connections, perhaps? 
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				    - christian grothoff's attack of infinite-length circuit. 
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				      the solution is to have a separate 'extend-data' cell type 
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				      which is used for the first N data cells, and only 
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