do better with loop cleanup (#3245)

* do better with loop cleanup

* changelog

* remove redundant line

* Do this a bit better than the initial pass

* Improve windows support

Make some other things coroutines to work with improved design

* Wish we'd have done this right from the start...

* Update deps surrounding this

 - see bpo-23057
 - neccessary for windows users
 - nice for consistent support channel info / feature availability

* dep issue

* Fix tests

* duplication plugin py version

* actually handle this

* Reconfigure some checks with codeclimate, disable pylint for now

* style

* Is my exasperation showing yet?

* handle some stupid stuff

* meh

* dep changelog

.travis.yml

@@ -5,7 +5,7 @@ notifications:
   email: false
 
 python:
-- 3.7.3
+- 3.8.1
 env:
   global:
     - PIPENV_IGNORE_VIRTUALENVS=1
@@ -30,7 +30,7 @@ jobs:
     # These jobs only occur on tag creation if the prior ones succeed
     - stage: PyPi Deployment
       if: tag IS present
-      python: 3.7.2
+      python: 3.8.1
       env:
         - DEPLOYING=true
         - TOXENV=py36
@@ -46,7 +46,7 @@ jobs:
             tags: true
     - stage: Crowdin Deployment
       if: tag IS present
-      python: 3.7.2
+      python: 3.8.1
       env:
         - DEPLOYING=true
         - TOXENV=py36