AdityaN1198

replaced set with ordered set to ensure reproduciblity

2

Replaced python 'set' with OrderedSets from "ordered-set" library to ensure reproducibility during runs when seed is set. Added ordered-set in setup.py as well

Replaced 'set' with 'OrderedSet' to fix reproducibility issue. Set in unordered and therefore causes reproducibility issues when the script is ran multiple times. Replacing it with OrderSet (pip install ordered-set)...