A new version of Kernel was added to project The Inbox:
http://source.squeak.org/inbox/Kernel-pad.663.mcz

==================== Summary ====================

Name: Kernel-pad.663
Author: pad
Time: 10 May 2012, 12:47:18.293 pm
UUID: 2f2f4a65-fb59-4813-94b9-91fc0de79d4a
Ancestors: Kernel-ul.662

Includes an updated version of DateAndTime>>#hash which is faster than the current version (~130x) and also relatively conflict free (~4 per 10,000)

=============== Diff against Kernel-ul.662 ===============

Item was changed:
  ----- Method: DateAndTime>>hash (in category 'ansi protocol') -----
  hash
+ 	^ (jdn hashMultiply bitXor: seconds + offset asSeconds) bitXor: nanos!
- 
- 	^ self asUTC ticks hash!