Basic (working) counter column.  You can add and subtract values.  You must use CounterModel when using a CounterColumn.
Merge branch 'master' of https://github.com/bdeggleston/cqlengine
Custom TTL and timestamp information can be passed in on save.
Merge branch 'master' of github.com:bdeggleston/cqlengine
Merge branch 'master' into ttl
Tests that adding query with a limit affects the count as expected.
Add support for simple table properties. Closes #181 and #191.
Update changelog.
merged optimizations
Log query (DEBUG level) before execute.
Merge pull request #196 from tarzanjw/feature-log-query-before-execute

Log query (DEBUG level) before execute.
Changed connection error messages to be more informative
test to show blind update of empty map causes AttributeError
Merge pull request #197 from natict/conn_error

Changed connection error messages to be more informative
test to show blind update of empty set causes CQLEngineException
Add missing table properties.
Uppercase constants. That's how they're normalized by Cassandra.
Unit test table properties setting.
Table setting strings needs to be single quoted.
Handle mismatching schema table property name.