added missing include files (thanks NuLL3rr0r)
Fix for prepared statements in multi-node environments
Merge pull request #15 from jnidzwetzki/master

Fix for prepared statements in multi-node environments
Removed memory leak in refresh_node_list_and_token_map
Merge pull request #16 from jnidzwetzki/master

Removed memory leak in refresh_node_list_and_token_map
Fix for "Ensure set_prepare_statement is called once"
Merge (unstable)