#2 Renames LocationRepository to WorldRepository
#13 #14 Adds comment, regarding this improvement
#1 Adds test cases
#11 Adds place holder for github changes report
#11 Adds empty paragraphs
#6 Removes method [public void display()] is replaces by [public void
accept(IGameElementVisitor visitor)]
#6 Makes method [public void inspectItem(String itemName)] deprecated
#2 Remove unused imports
#15 Adds tests and beginning of new implementation