cfstats KEYSPACE name is not being processed from version 2


Attached csv file is the example to show that KEYSPACE name is not being rolled for CFSTATS table parameters.

cassandra_cfstats2csv.py needs to be modified to accommodate KEYSPACE for both version 2 & 3.

Current:
if "Keyspace:" in line:
to
if ("Keyspace :" or "Keyspace:") in line: