updated Db multi resource libraries [0.10.0]

This version introduces multiple enhancements:

added some logic to multi resource library (allowed load)
also some changes into single resource library
changed some events name

Details of additions/deletions below:
--------------------------------------------------------------

Modified:   /Lib/Core/Db/Helper/Pdo/Mysql.php
            -- Updated --
                _query, handling errors from connection (Core_Db_Helper_Connection_Pdo)

Modified:   /doc/events.md
            -- Updated --
                added and updated resource events

Modified:   /Lib/Core/Db/Model/Resource/Interface.php
            -- Added --
                const from resource
            -- Updated --
                load added parameters

Modified:   /Lib/Core/Db/Model/Resource/Abstract.php
            -- Added --
                $_modelType to store model type (single or multi resource)
                _checkTableStructure to check that must read table structure
                _prepareStructure, added logic from _tableStructure
                _loadBegin, added logic from load
                _loadEnd, added logic from load
                _applySelectFilter set added filters
            -- Updated --
                initializeObject, changed events name
                afterInitializeObject, changed events name
                _tableStructure, logic moved to _prepareStructure and _checkTableStructure methods
                _getTableStructure, allowed to add table name as parameter
                load, moved part of logic to _loadBegin and _loadEnd methods
                _createCollection, fixed handling many rows from database
                _transformRowsToObject fixed documentation
                addFilter added logic
                returnFilters added logic
                removeFilter added logic
                _executeQuery, changed database library, fixed error handling
            -- Removed --
                all const (moved to interface)

Modified:   /Lib/Core/Db/Model/Resource/Multi/Abstract.php
            -- Added --
                $_tableStructure to store information about structure
                $_modelType to store model type (single or multi resource)
                _tableStructure to return structure for all tables
                _applyJoin to create join statements
            -- Updated --
                load added whole logic
            -- Removed --
                interface (used by Core_Db_Model_Resource_Abstract, implementation not required)

Modified:   /Lib/Core/Db/etc/config.ini
            -- Modified --
                changed version from 0.9.0 to 0.10.0