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Refactoring
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* Decoupled the `load_modal_composites` function to
https://bitbucket.org/petar/fsm_load_modal_composites for reusability.
* Decoupled the ``get_where_condition`` and ``read_from_table`` functions
to https://bitbucket.org/petar/dynamic_pytables_where_condition for
reusability.