Optimize the 'Meter' class using experience

[Ahzyuan]

📋 Summary

Optimize the Meter class experience, so its instance can truly replace the original model.

📝 Changes

Details

• torchmeter/core.py:
  1. overwrite __getattr__, __setattr__ and __delattr__：the origin model's attribute and method can be accessed directly Meter class instance. Then the instance can 100% replace the origin model without any change in your code!
  2. add input type and value verification to ittp, rebase and profile.
  3. add __device_detect method to auto detect the device that pass in model on, simplify the procedure of creating instance.
  4. add tabel_cols method to quickly check the latest column names of the rendered table, so as to facilitate class name customization and adding custom columns.
  5. fix some bugs in structure property.