* Updated pip and tox in 'requirements_dev.txt' file. * Updated Pipfile.lock
0.1.5
------------------
* Fixed security issue in urllib3 package version in Pipfile.
0.1.4
------------------
* Fixed security issue in Jinja2 package version in Pipfile.
0.1.3
------------------
* Update version number due to changes in 'requirements_dev.txt' file
0.1.2
Not secure
------------------
* Fix Pip files and requirement files for fixing security issue in pyyaml module
0.1.1
Not secure
------------------
* Fix related Pip files for requests module * Fixed test data generating function in merchant.py * Fixed tracking code for testing in test_get_shipping_label.py