Add remaining Survey API methods

[pwildenhain]

Closes #294

Building off of the work started in #296

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 99.57%. Comparing base (4bf25e5) to head (eafa92d).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
redcap/methods/surveys.py	80.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##            master     #298      +/-   ##
===========================================
- Coverage   100.00%   99.57%   -0.43%     
===========================================
  Files           21       22       +1     
  Lines          652      704      +52     
===========================================
+ Hits           652      701      +49     
- Misses           0        3       +3     

Files with missing lines	Coverage Δ
redcap/methods/surveys.py	90.32% <80.00%> (-9.68%)	⬇️

... and 4 files with indirect coverage changes

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