[py-dev] uploaded a 1.0.0b3

[holger krekel]

Hi all, 

just uploaded a new 1.0.0b3 of execnet.
see below for the changelog.  

cheers,
holger

1.0.0b3
--------------------------------

* fix EXECNET_DEBUG to work with win32
* add support for serializing longs, sets and frozensets
  (thanks Benjamin Peterson)
* introduce remote_status() method which on the low level gives
  information about the remote side of a gateway
* disallow explicit close in remote_exec situation
* perform some more detailed tracing with EXECNET_DEBUG