adding support for column_count.  ColumnFamilyStub.get needs to sort columns before slicing them.  Insert order doesn't matter, so changing the dict object used.
updating stubs docs
adding support for column_reversed
Merge pull request #198 from david-huber/master

Adding column_count and column_reversed support to ColumnFamilyStub.get and ColumnFamityStub.multiget
Merge pull request #197 from edevil/master

Add "include_ttl" parameter that allows column TTL's to be returned as well
Bump version to 1.9.0, update changelog
Accurate docstring for gm_timestamp

Fixes #202