stop executing [0.23.0]

This version introduces multiple enhancements:

allow to stop executing whole script, single module or whole package

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

Modified:   doc/events.md
            -- Added --
                some new events about stop executing

Modified:   Lib/loader.php
            -- Added --
                $_disabled to store disabled modules and packages
                stop to stop whole script
                disable to stop module or whole package
                _checkIsDisabled toi check that module or package is disabled
                code2package to get from module code package name
            -- Updated --
                _initModules added usage of _checkIsDisabled
                getObject added usage of _checkIsDisabled
                getClass added usage of _checkIsDisabled

Modified:   Lib/config.ini
            -- Modified --
                changed version from 0.22.1 to 0.23.0
Merge remote-tracking branch 'origin/master'