* PyTorch Hub and autoShape update

* comment x for imgs

* reduce comment

* Utils reorganization

* Add new utils files

* cleanup

* simplify

* reduce datasets.py

* remove evolve.sh

* loadWebcam cleanup

* Project/name update

* Update ci-testing.yml

* address project with path separator failure mode

* Project/name update

* address project with path separator failure mode

* Update ci-testing.yml

* detect.py default --name bug fix

* missing rstrip PR

* train/exp0 to train/exp

* update Write results

* Update detect.py

* Update test.py

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Use pathlib instead of low-level module

* Use pathlib instead of low-level module

* Update detect.py

* Update test.py

* reformat

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Increment train, test, detect runs/

* Update ci-testing.yml

* inference/images to data/images

* move images

* runs/exp to runs/train/exp

* update 'results saved to %s' str

* Adding --output and --save-conf options to test.py

* Update help fields

* Update test.py

* Make arguments and comments uniform with test.py

* Remove previous and print save_dir on finish

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* add contrast to conf/class against bbox rectangle color

* added feature to save conf in txt labels

* Update general.py

* Update detect.py

* Update detect.py

* Update detect.py

save_conf variable removed as only used once, so we can use opt.save_conf instead.

* Update detect.py

* Update detect.py

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* added option to not open on save

* Update detect.py

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* feat: add rtmp support

* Update detect.py

pass tuple to source.startswith()

Co-authored-by: ryan.fu <ryan.fu@aylaasia.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Add logging setup

* Fix fusing layers message

* Fix logging does not have end

* Add logging

* Change logging to use logger

* Update yolo.py

I tried this in a cloned branch, and everything seems to work fine

* Update yolo.py

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update detect.py

Update print info for relative path and absolute
otherwise the info below is misleading

Results saved to /workspace//output_path

* Update detect.py

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Fix missing imports

* Update detect.py

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* expand imports

* optimize

* miss

* fix

Follow-on update that I missed adding into PR 509.

Added some recent updates that were missing, and updated the filename with an if else.

In torch==1.5, the import of the API has changed. Although it does not interrupt the operation of the program, it seems to me to be an implicit error and may throw an exception in later versions.