Use the same callback for QueryRequestHandler and ExecuteQueryRequestHandler
Moved rowset processing out of Session
Moved the util cql queries to CqlQueryTools
Add license headers to new files
Clarified some exception messages
Minor message string changes
Merge pull request #27 from bogdangrigg/2.0-reorg

Clarified some exception messages
RowSet: removed dependency to the reader
Read row values on handler
RowSet is no longer IDisposable
Merge branch '2.0-reorg' of https://github.com/datastax/csharp-driver into batch_statements_tests
adding more tests to ParameterizedStatementsTests