Feature: Updating delay param code

[Magnus167]

Lowering the delay parameter below 200ms only throws an Runtime Warnings now, whereas it would throw a ValueError earlier.
In cases where a request fails and the request_wrapper() does a retry, the default API_DELAY_PARAM (300ms) will be used (the user cannot edit this.

Use as:

with JPMaQSDownload(..., dq_download_kwargs={"delay_param" : 0.1}) ...

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4b413af) 82.28% compared to head (7953448) 82.29%.
Report is 4 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1412   +/-   ##
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  Coverage    82.28%   82.29%           
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  Files           60       60           
  Lines         5905     5907    +2     
========================================
+ Hits          4859     4861    +2     
  Misses        1046     1046           

Files	Coverage Δ
macrosynergy/download/dataquery.py	71.60% <100.00%> (+0.18%)	⬆️