Add support for enum

[ehooo]

Fixes #281 .

Changes proposed in this pull request:

• Add support for enum types

Attention: @prkumar

[codecov]

Codecov Report

Merging #282 (8f67f98) into master (65125ec) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #282   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           44        42    -2     
  Lines         2471      2448   -23     
  Branches       358       355    -3     
=========================================
- Hits          2471      2448   -23     

Impacted Files	Coverage Δ
uplink/converters/keys.py	100.00% <100.00%> (ø)
uplink/__init__.py
uplink/exceptions.py

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[prkumar]

@ehooo - Thanks for taking the time to make this change!

Adding this to Sequence will add support to only a few annotations, like @Query and @QueryMap. Sequence is responsible for applying a converter to each item in a list of values.

To add broad support for enums, we should add this to either the TypingConverter or the StandardConverter.

[ehooo]

Hello @prkumar

Thanks for your response, i just check it and i don't know where do you want to add this conversion.

I see that the property converter_key on Query and QueryMap returns a Sequence class so i think this is the better location to make the convertion.

Please let me know where do you think i could move it.