Add fancy fetch capture waveform

[texasaggie97-zz]

• This contribution adheres to CONTRIBUTING.md.
• I've updated CHANGELOG.md if applicable.
• I've added tests applicable for this pull request

What does this Pull Request accomplish?

• Replaces Add fetch_capture_waveform() fancy wrapper #1096
• Create a "fancy" wrapper around fetch_capture_waveform_u32()
  • Returns array of named tuples Measurement(data, site)
  • Gets site list and uses that when creating named tuple

List issues fixed by this Pull Request below, if any.

• Fixes fetch_capture_waveform_u32 missing in nidigital API #1076
• Fixes nidigital fetch_capture_waveform_u32 returns empty list #1074

What testing has been done?

• Visual inspection

[codecov]

Codecov Report

Merging #1112 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1112   +/-   ##
=======================================
  Coverage   89.99%   89.99%           
=======================================
  Files          20       20           
  Lines        3679     3679           
=======================================
  Hits         3311     3311           
  Misses        368      368

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[marcoskirsch]

Minor changes. If you can address them or strongly want to push back, feel free to drop and merge.

Comments addressed

[marcoskirsch]

I'm nervous about sourcing _fetch_capture_waveform. I wish there was a clever way to get it to work with the code-generator without major rework.