YT-CPPHGL-10: Implement the remaining methods of the hypergraph class for undirected hypergraph operations

[SpectraL519]

• Replaced the directional-specific incidence list and matrix classes with template specializations of a common model<DirectionalTag, LayoutTag> classes
• Aligned the hypergraph class to store an implementation class instance
• Aligned the following methods of the hypergraph class to use the underlying implementation:
  • Adding and removing vertices
  • Adding and removing hyperedges
• Added the following methods to the hypergraph class:
  • Binding and unbinding vertices to hyperedges
  • Retrieving the degree of a vertex
  • Retrieving the set of hyperedges incident with (containing) a given vertex
  • Retrieving the number of vertices incident with a given hyperedge
  • Retrieving the set of vertices incident with (contained by) a given hyperedge

[SpectraL519]

ok

[SpectraL519]

ok