* Improve performance of calc_connected_components (#914)

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Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>

* Add in-place conversion to basic data format (#915)

* Add in-place conversion to basic data format

* Add unit test for in-place make_basic_network

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Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>

* No deepcopy when renumbering components (#916)

* No deepcopy when renumbering components

* In-place _renumber_components and unit tests

* Fix typo

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Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>
Co-authored-by: Carleton Coffrin <carleton@coffrin.com>

* add notes to changelog and prep for release

* Update psse parser for 3winding transformers (#917)

* fix psse parser 3 winding tranformers
* update readme

* add note to changelog and readme

* fix quote counting check in psse parser

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Co-authored-by: Mathieu Tanneau <9593025+mtanneau@users.noreply.github.com>
Co-authored-by: mtanneau3 <mtanneau3@gatech.edu>
Co-authored-by: Rahmat Heidari <heidari.rahmat@gmail.com>