#64 Use comparision by reference for bool type objects

[Saptashrungi]

Fixes #64
Replaced all == 'bool type' with is 'bool type' and similarly replaced != 'bool type' with is not 'bool type'.

[codecov]

Codecov Report

Merging #66 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master      #66   +/-   ##
=======================================
  Coverage   98.17%   98.17%           
=======================================
  Files          19       19           
  Lines        1257     1257           
=======================================
  Hits         1234     1234           
  Misses         23       23

Impacted Files	Coverage Δ
pydatastructs/trees/space_partitioning_trees.py	97.619% <100%> (ø)	⬆️
...tructs/trees/tests/test_space_partitioning_tree.py	100% <100%> (ø)	⬆️
pydatastructs/linear_data_structures/arrays.py	100% <100%> (ø)	⬆️
pydatastructs/trees/tests/test_binary_trees.py	100% <100%> (ø)	⬆️
...datastructs/miscellaneous_data_structures/stack.py	92.307% <100%> (ø)	⬆️
pydatastructs/trees/binary_trees.py	96.437% <100%> (ø)	⬆️

[Saptashrungi]

Consider the second commit only with the name:

fd9dc53

[czgdp1807]

LGTM.
Just remove .vs files and push the updates to your addis branch. This PR will be automatically updated. Do not close this PR.

[czgdp1807]

Consider the second commit only with the name:

We squash and merge commits so that won't be a problem. The overall diff is fine.

[czgdp1807]

Thanks. Merging.
From next time onward, please do not clear the PULL REQUEST TEMPLATE, instead follow it and fill it. See previously merged PRs for examples.