GIFF metadata removal

[AHReccese]

Reference Issues/PRs

#50

What does this implement/fix? Explain your changes.

GIFF metadata removal based on gif standard
(for bytes and markers pattern, stable structure for over decades)

Any other comments?

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 0 complexity · 0 duplication

Metric	Results
Complexity	0
Duplication	0

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[sadrasabouri]

I tested it and it works fine. I left a minor comment. We should update the cli help when updating readme as well.

[sadrasabouri]

this condition is extra since you have the same thing for else.

[AHReccese]

Yeah, I understand. That was due to the standard requiring different parts to be parsed separately, so I simplified it for now.
But once I add the update functionality, I’ll need to break it down again later on.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 80.88235% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.08%. Comparing base (cc908a2) to head (916fb30).
⚠️ Report is 2 commits behind head on dev.

Files with missing lines	Patch %	Lines
dmeta/functions.py	79.04%	6 Missing and 7 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev      #79      +/-   ##
==========================================
- Coverage   72.77%   72.08%   -0.68%     
==========================================
  Files           5        5              
  Lines         235      351     +116     
  Branches       58       84      +26     
==========================================
+ Hits          171      253      +82     
- Misses         42       61      +19     
- Partials       22       37      +15     

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