Added return statement to clean up warning message
Added some sizing functions; refactored a misspelling; fixed a stupid iterator increment issue
Added test cases for pruning space
Parsed element out of powerset_test
Cleaned up header section
Added unittest to doxygen input
Added a tag template parameter; default is next_available_order
Default ordering of elements in powerset
tag used to specify object is user defined
Added constraint that if block offset returns npos, then first index in free_list is returned; Cleaned up code
Tests assuming that default block_map (that is with next_available_order) is specified
Added powerset_test2 to compilation
Changed definition of block_map to be a user defined mapping
changed block_map to be user_defined; added manual calls to updateFreeIndex