create Collection class (issue #3)
create Collection class (issue #3)

This version introduces multiple enhancements:

commented some unfinished classes
create their logic moved into 0.4.0 milestone

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

Modified:   Data/Collection.php
            -- Updated --
                commented some unfinished classes

chajr/class-kernel,bluetree-service/collection,bluetree-service/container,bluetree-service/data,chajr/class-kernel