resource interface [0.7.0]

This version introduces multiple enhancements:

created and implemented methods from resource interface

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

Modified:   /Lib/Core/Db/Model/Resource/Multi/Abstract.php
            -- Added --
                $_mainTable
                $_tables
                $_tableRelations
                save
                load
                orderBy
                page
                pageSize
                where
                delete

Modified:   /Lib/Core/Db/Model/Resource/Interface.php
            -- Added --
                save
                load
                orderBy
                page
                pageSize
                where
                delete

Modified:   /Lib/Core/Db/etc/config.ini
            -- Modified --
                changed version from 0.6.2 to 0.7.0