Make JArray register as a sequence and List bug fixes

[Thrameos]

Fixes #1252

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.92%. Comparing base (7b24a39) to head (b0d8af5).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1264      +/-   ##
==========================================
+ Coverage   86.90%   86.92%   +0.02%     
==========================================
  Files         113      113              
  Lines       10336    10343       +7     
  Branches     4065     4065              
==========================================
+ Hits         8982     8991       +9     
+ Misses        758      757       -1     
+ Partials      596      595       -1     

Files with missing lines	Coverage Δ
jpype/_jarray.py	100.00% <100.00%> (ø)
jpype/_jcollection.py	100.00% <100.00%> (ø)

... and 3 files with indirect coverage changes

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