docs: public List<List<String>> doSelect(final String sql) throws SQLException {
  		List<List<String>> results = new ArrayList<List<String>>();
  		LOG.info("Connecting to: " + this.dbString + " with " + this.usr
  				+ " and " + this.pwd);
  		LOG.info("Executing: " + sql);
  		Connection connection = null;
  		Statement st = null;
  		ResultSet rs = null;
  		try {
  			connection = DriverManager.getConnection(this.dbString, this.usr,
  					this.pwd);
  
  			st = connection.createStatement();
  			rs = st.executeQuery(sql);
  			
  			while (rs.next()) {
  				ResultSetMetaData meta = rs.getMetaData();
  				List<String> lines = new ArrayList<String>();
  
  				for (int col = 1; col < meta.getColumnCount() + 1; col++) {
  					lines.add(rs.getString(col));
  				}
  				results.add(lines);
  			}
  
  		} finally {
  			if (rs != null) {
  				rs.close();
  			}
  			if (st != null) {
  				st.close();
  			}
  			if (connection != null) {
  				connection.close();
  			}
  		}
  
  		LOG.info("Result returned after running " + sql + " is: " + results);
  		return results;
  
  	}