Set routines

Making proper sets

maxframe.tensor.unique

Find the unique elements of a tensor.

Boolean operations

maxframe.tensor.in1d	Test whether each element of a 1-D tensor is also present in a second tensor.
maxframe.tensor.isin	Calculates element in test_elements, broadcasting over element only.
maxframe.tensor.setdiff1d	Find the set difference of two tensors.