* New data container: setset (set of sets of elements)
* New module: mmalloc (mapped malloc)
* New function: xbt_dict_cursor_set_data()
+ * New function: xbt_dynar_sort()
* New function: xbt_fifo_get_last_item()
* Bug fix in xbt_dynar_shrink(): use the right element size
* Use library init/fini functions for our initialization.