Windows permission

[chfw]

fix #141

[chfw]

This PR will be merged before dev to master PR so that this will be release with version 0.3.8.

[codecov-io]

Codecov Report

Merging #161 into dev will decrease coverage by 0.19%.
The diff coverage is 28.57%.

@@            Coverage Diff            @@
##              dev     #161     +/-   ##
=========================================
- Coverage   97.99%   97.79%   -0.2%     
=========================================
  Files          40       40             
  Lines        2040     2043      +3     
=========================================
- Hits         1999     1998      -1     
- Misses         41       45      +4

Impacted Files	Coverage Δ
tests/test_hash_store.py	100% <ø> (+1.11%)	⬆️
tests/test_utils.py	94.11% <20%> (-3.83%)	⬇️
moban/utils.py	97.29% <50%> (-0.65%)	⬇️

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