Transitions handling with related states (parallel/orthogonal or hierarchal) not consistent with XState JS

[auphofBSF]

Implementing the unit tests test_statein.py in #49 highlighted that transitions based on relative states (orthogonal/parallel or hierarchical) is yet to be implemented in xstate-python

The relevant unit tests for in state guards are suppressed in commit: a29329a

docs ref:
https://xstate.js.org/docs/guides/transitions.html#selecting-enabled-transitions
https://xstate.js.org/docs/guides/hierarchical.html#hierarchical-state-nodes
https://xstate.js.org/docs/guides/hierarchical.html#hierarchical-state-nodes

relevant discussion: #49 (comment)

Suggest this be labeled as Feature Request