Second part of libraries content

This version introduces multiple enhancements:

finished initialize modules
finished get object and class methods
added some benchmark libraries
finished register class

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

Added:      /Lib/Core/Benchmark/Helper/Tracer.php

Added:      /Lib/Core/Benchmark/Helper/Benchmark.php

Modified:   /Lib/Core/Blue/Model/Register.php
            -- Added --
                getRegisteredObjects to retrieve list of available objects in register
            -- Updated --
                setObject, added whole logic to set object instance

Modified:   /Lib/Core/Blue/Model/Initialize/Abstract.php
            -- Updated --
                __construct changed type from protected to public

Modified:   /Lib/Core/Blue/Model/Xml.php
            -- Updated --
                changed php doc

Modified:   /Lib/Core/Benchmark/Initialize.php
            -- Added --
                whole class logic (allow to lunch libraries if  enabled)

Modified:   /Lib/loader.php
            -- Updated --
                _initModules, allow to lunch initialize classes
                loadClass, fixed retrieve list of modules
                getObject, changed some variables
                getClass, added php doc and uncommented retrieve of new object

Modified:   /Lib/Core/Benchmark/etc/config.ini
            -- Added --
                initialize enabled option
            -- Updated --
                Changed version from 0.1.0 to 0.2.0

Modified:   /Lib/config.ini
            -- Modified --
                changed version from 0.1.0 to 0.2.0

Modified:   /Lib/Core/Blue/etc/config.ini
            -- Modified --
                changed version from 0.1.0 to 0.2.0