v0.5.0

• Fixed #214, added a powerset() function, added a subfaces() function, and added examples of these functions (#209).
• Refactored the NodeStats and EdgeStats classes to be more efficient (#209).
• Implemented set operations for NodeView and EdgeView (#208).
• Addressed #180 with density() and incidence_density() functions (#204 and #207).
• Added the << operator to "add" two hypergraphs together (#203).
• Improved the documentation (#202).
• Added Python 3.11 to the test suite (#201).
• Added an option to fill only some cliques with probabilities ps to xgi.flag_complex() (#200).
• Fixed Issue #198 (#199).
• Refactored load_xgi_data() to call dict_to_hypergraph() and fixed a bug in dict_to_hypergraph() (#193).
• Added num_edges_order() to get the number of edges of a given order and added an order parameter to the degree_counts() function (#192).
• Fixed #182 and #186 by adding a max_order argument to draw() and load_xgi_data() (#173) .
• Made draw() faster by refactoring _color_arg_to_dict() and _scalar_arg_to_dict() (#173).

Contributors: @leotrs, @maximelucas, and @nwlandry