bad changes
Revert 9b29468..143bd4d

This rolls back to commit 9b29468b00a8ae47c287dd8f8eb867eedadcdeca.
Added "Permute" method to HRR.py

.permute(permutation) allows you to permute an HRR object. This method
is used in HDM (Holographic Declarative Memory) and is generally useful
for any program using HRRs.