Release 3.3.0

[raimon49]

This release will close #87 after shipping.

• Implement function
• Testing
• Add a document
• Bump version
• Release to PyPI

[codecov]

Codecov Report

Merging #90 (4ace27c) into master (90717bf) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #90   +/-   ##
=======================================
  Coverage   98.94%   98.94%           
=======================================
  Files           1        1           
  Lines         380      380           
=======================================
  Hits          376      376           
  Misses          4        4           

Impacted Files	Coverage Δ
piplicenses.py	98.94% <100.00%> (ø)

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[raimon49]

Shipped.
https://pypi.org/project/pip-licenses/3.3.0/