More dynamic approach to dict views types

[brl0]

This is a revisit of my previous effort to add support for dict views type objects. I had some ideas rattling around to try to make it a bit more dynamic and extensible.

[codecov]

Codecov Report

❌ Patch coverage is 61.66667% with 23 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.55%. Comparing base (343da11) to head (513a938).
⚠️ Report is 76 commits behind head on master.

Files with missing lines	Patch %	Lines
cloudpickle/cloudpickle_fast.py	64.86%	7 Missing and 6 partials ⚠️
cloudpickle/cloudpickle.py	56.52%	8 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #435      +/-   ##
==========================================
- Coverage   92.36%   89.55%   -2.81%     
==========================================
  Files           4        4              
  Lines         720      747      +27     
  Branches      150      158       +8     
==========================================
+ Hits          665      669       +4     
- Misses         34       49      +15     
- Partials       21       29       +8     

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