membership recipe and a brief demo file on usage
improved error handling in the membership recipe
less debug msg
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop' for 0.4.0
Merge branch 'master' of git://github.com/maoy/python-evzookeeper into working
Recursive delete and create node(s)

* rcreate(), similar to "mkdir -p"

* rdelete(): similar to "rm -r"

* modified basic and acl in examples/ for demoing