Tests for methods:

\KsPdo\DbConn::prepareAndBind
\KsPdo\DbConn::execSelQuery
Improvements in tests: 

\KsPdo\DbConn::prepareAndBind
\KsPdo\DbConn::execSelQuery
Test for method

\KsPdo\DbConn::getRows
Test for method

\KsPdo\DbConn::getCell
Test for methods

\KsPdo\DbConn::getRow
\KsPdo\DbConn::getColumn
\KsPdo\DbConn::getMeta
\KsPdo\DbConn::close