Please review wip/clustershell

Hi,

   Please review wip/clustershell and send me comments.

  ClusterShell is a event-based Python library to execute commands on
local or distant cluster nodes in parallel depending on the selected
engine and worker mechanisms. The library provides also advanced
nodeset handling methods. Its goal is to improve the administration of
cluster by providing a lightweight but scalable API for developers.

  Its license is Licence_CeCILL-C_V1, which compliance with the
principles governing the distribution of Free Software: access to
source code, broad rights granted to users. More detailed content
included within the package.


Regards,
wen

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