hey all -

I've put out 0.4.0 versions for both dogpile.cache and dogpile.core.

the majority of the change here is in dogpile.core, where I've fixed a 
multi-process concurrency issue just reported, and also heavily reworked 
the API of this subsystem to be more succinct.  

dogpile.cache has only changed in that it uses the newer dogpile.core API 
now.  Previous versions will also work with the latest dogpile.core as the 
old API remains for legacy purposes, but just upgrading your dogpile.cache 
will require that the latest dogpile.core is installed also.

For most users, the single thing that's changed is that multiple processes 
previously would still "dogpile" up, if they all went to a cache value that 
didn't exist yet, even if they were coordinating on a multi-process lock.   
The issue was due to a reliance on looking at a memory-local value for the 
"creation time" of the new value, which has been fixed.

Changelogs for both libraries are now up:

http://dogpilecore.readthedocs.org/en/latest/changelog.html

http://dogpilecache.readthedocs.org/en/latest/changelog.html

In related news, the SQLAlchemy caching example in 0.8, which is also ready 
for beta releases, now uses dogpile.cache instead of Beaker.   So I hope to 
see more Beaker caching users switch over to dogpile, now that we've got 
some releases and issues found and fixed.

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