Updates to limit functionality for Physera's needs and address zip path vulnerability#1

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amenon wants to merge 4 commits intomasterfrom

remove_path_traversal_security_issue

Commits on Dec 23, 2019

Updates to limit functionality for Physera's needs and address zip path vulnerability
amenon
committed

Commits on Jan 3, 2020

Exposing unzip method
amenon
committed

Commits on Feb 5, 2020