Optimizations and Improvements for translation, serialization.

[seandstewart]

• Improve serialization performance by up to 3X.
• Fix support for NamedTuples in translator.
• Add support for "downcasting" an object to a naive collection or iterator in translator.
• Add support for PEP 585 builtin generics and PEP 604 Union Operators (resolves #160)

[codecov[bot]]

Codecov Report

Merging #161 (04d421b) into main (3a79ffd) will increase coverage by 0.02%. The diff coverage is 97.22%.

@@            Coverage Diff             @@
##             main     #161      +/-   ##
==========================================
+ Coverage   93.47%   93.49%   +0.02%     
==========================================
  Files          37       37              
  Lines        4352     4275      -77     
==========================================
- Hits         4068     3997      -71     
+ Misses        284      278       -6     

Flag	Coverage Δ
3.8	93.49% <97.22%> (+0.02%)	:arrow_up:
unittests	93.49% <97.22%> (+0.02%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
typic/ext/json.py	100.00% <ø> (ø)
typic/ext/schema/field.py	99.30% <ø> (ø)
typic/serde/common.py	96.63% <87.50%> (-0.36%)	:arrow_down:
typic/serde/resolver.py	95.63% <93.75%> (-0.12%)	:arrow_down:
typic/serde/translator.py	97.87% <96.77%> (+0.33%)	:arrow_up:
typic/api.py	96.95% <100.00%> (-0.03%)	:arrow_down:
typic/checks.py	97.81% <100.00%> (+0.06%)	:arrow_up:
typic/constraints/factory.py	99.35% <100.00%> (+0.01%)	:arrow_up:
typic/serde/ser.py	99.48% <100.00%> (+1.38%)	:arrow_up:
typic/util.py	91.35% <100.00%> (+1.32%)	:arrow_up:
... and 2 more

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