release 0.7.7: -pd in cli

[chfw]

Before raising the PR, here is a check list:

• have you written unit tests for your code changes?
• have you updated the change log?
• can someone else understand your changes without your explanation?
• are you proud of your code changes?
• please add your name and github link to contributors.rst in alphabetical order.

[codecov-commenter]

Codecov Report

Merging #386 into master will increase coverage by 0.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #386      +/-   ##
==========================================
+ Coverage   96.04%   96.10%   +0.06%     
==========================================
  Files          56       59       +3     
  Lines        2907     2952      +45     
==========================================
+ Hits         2792     2837      +45     
  Misses        115      115              

Impacted Files	Coverage Δ
moban/_version.py	100.00% <100.00%> (ø)
moban/constants.py	100.00% <100.00%> (ø)
moban/core/content_processor.py	100.00% <100.00%> (ø)
moban/core/mobanfile/__init__.py	98.57% <100.00%> (-0.27%)	⬇️
moban/core/utils.py	100.00% <100.00%> (ø)
moban/main.py	100.00% <100.00%> (ø)
moban/plugins/copy.py	100.00% <100.00%> (ø)
moban/plugins/strip.py	100.00% <100.00%> (ø)
tests/test_copy_engine.py	100.00% <100.00%> (ø)
tests/test_docs.py	100.00% <100.00%> (ø)
... and 5 more

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