0.10.0.dev5

New Features

• Add add_bqm method to C++ BinaryQuadraticModel #821, #823
• Add Structured.valid_bqm_graph method for verifying input problem structure #832
• Reimplement BinaryQuadraticModel to use new C++ code #828
• BinaryQuadraticModel can now be manipulated symbolically #834
• load function can now load all model types #841, #843
• DiscreteQuadraticModel now has an .offset attribute #838
• Add ConstrainedQuadraticModel class #839
• Add make_header, read_header and write_header utility functions #842
• Add ExactDQMSampler #820

Fix

• Fix type promotions in binary quadratic models with object biases #836