swli

Results 2 issues of swli

1. `Tensor.bmm` missed in `_patch_tensor_methods` function 2. missed funtions in `_reload_functionals` and `_reload_tensor_methods` functions 3. `torch.mm` and `torch.Tensor.mm` will have same `__name__` in `wrapFunc`, my suggustion is use `__str__` instead....

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