v1.5.4

• Fixed issue #23: Descriptors are now used to simplify property creation in classes.
• Fixed issue #24: Introduced the Construct_matrix_system function and removed all Assembly functions. This reduces the amount of code required for each simulation.
• Fixed a bug in the _Create_Lines dispatch methods.
• Updated the _Write_solution_file function in utilities.Vizir.py.
• Fixed a bug in Get_pointsInElem caused by nan values in normalized arrays.
• Added the mesh.Evaluate_dofsValues_at_coordinates function.
• Added the HolzapfelOgden hyperelastic law in the examples/HyperElastic/HyperElasticLaws.py script.
• Removed the useNumba property from simu and models.
• Removed the dim argument from the Thermal model.
• Updated functions in EasyFEA/utilities/_params.py.
• Clarified tests for phasefield.