* Added support tables with multicolumn PK

* Added abstract method getPrimaryKey for Crud classes
* Added support assoc array for Db\Table::find
* Added method Db\Row::afterRead
* Fixed bluzphp#143

Added column filter for table methods insert/updated/delete

Added suggestion

Fixed bluzphp#139

Change output format for CLI

Crud refactoring

Fixed code style

Changed way for delivery system messages for AJAX requests

Updated query method, now it will return rowCount()

Removed insert/update/delete from Db\Table

Small updates of Db\Query