4 new commits pushed to

<https://github.com/RTimothyEdwards/open_pdks/tree/master|master>

by RTimothyEdwards

<https://github.com/RTimothyEdwards/open_pdks/commit/970c60dc41a181accc7f568cddf282a10f600279|970c60dc>

- Noticed that "test -d" on an empty string returns true, and so

<https://github.com/RTimothyEdwards/open_pdks/commit/84be316a1d592e10667cb122a83f8f15438f437e|84be316a>

- Corrected resistor array generation in the torture test custom script for sky130

<https://github.com/RTimothyEdwards/open_pdks/commit/6ed09d4ba1bfec4f0cce00a094187bc23cf93e77|6ed09d4b>

- Fix: torture test script passes correct lenght and width for devices, according to the device type. Added function to extract drc errors into a txt file.

<https://github.com/RTimothyEdwards/open_pdks/commit/933e5f2b8e42c5ec25b83c6d242455ada6f3e926|933e5f2b>

- Corrected the magic tech file extract section to allow either RTimothyEdwards/open_pdks