0.9

• Add save_model_weights method to AddressParser to save model weights (PyTorch state dictionary)
• Improve CI
• Added verbose flag for the test to activate or deactivate the test verbosity (it overrides the AddressParser verbosity)
• Add Docker image
• Add val_dataset to retrain API to allow the use of a specific val dataset for training
• Remove deprecated download_from_url function
• Remove deprecated dataset_container argument
• Fixed error and docs
• Added the UK retrain example