Deprecate: deprecate all methods of parameters.py

[cadenmyers13]

In addition to method deprecation, I replaced Attributes with Parameters in function docstrings everywhere. Also, turned processMetaData into a private function.

[cadenmyers13]

@sbillinge ready for review

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.60%. Comparing base (c115478) to head (ec2b2af).
⚠️ Report is 10 commits behind head on v3.3.0.

Additional details and impacted files

@@            Coverage Diff             @@
##           v3.3.0     #170      +/-   ##
==========================================
+ Coverage   78.40%   78.60%   +0.19%     
==========================================
  Files          24       24              
  Lines        3700     3734      +34     
==========================================
+ Hits         2901     2935      +34     
  Misses        799      799              

Files with missing lines	Coverage Δ
tests/test_constraint.py	98.30% <100.00%> (ø)
tests/test_parameter.py	98.86% <100.00%> (+0.71%)	⬆️

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[sbillinge]

Nice. Thanks for the tests and the careful thought