Let get function take range annotation

[wanglec]

This PR fixes #694 and #744.

Description of changes

Change the get function so that it accepts range annotation, use co-iterator for annotation like, and fix order for non-annotation like subtypes. A helper function that finds the length of entry lists, get_length(self, type_name: str), is also included.

Possible influences of this PR.

Describe what are the possible side-effects of the code change.

Test Conducted

Tests are added in data_store_test.py.

[codecov]

Codecov Report

Merging #769 (975e16b) into master (a954abf) will increase coverage by 0.04%.
The diff coverage is 94.36%.

@@            Coverage Diff             @@
##           master     #769      +/-   ##
==========================================
+ Coverage   81.08%   81.13%   +0.04%     
==========================================
  Files         249      249              
  Lines       18765    18824      +59     
==========================================
+ Hits        15216    15272      +56     
- Misses       3549     3552       +3     

Impacted Files	Coverage Δ
forte/data/data_store.py	90.27% <91.66%> (+0.37%)	⬆️
forte/common/constants.py	100.00% <100.00%> (ø)
forte/data/base_store.py	70.45% <100.00%> (ø)
tests/forte/data/data_store_test.py	94.26% <100.00%> (+0.28%)	⬆️

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