NIL_P no longer includes wrapping parens either
NIL_P no longer includes wrapping parens either

zk-ruby/zookeeper,rickypai/zookeeper,songling88/zookeeper,zk-ruby/zookeeper,songling88/zookeeper,songling88/zookeeper,zk-ruby/zookeeper,rickypai/zookeeper,songling88/zookeeper,rickypai/zookeeper,rickypai/zookeeper