Fix sts provider stream leak

Fixes an http stream leak in the STS credentials provider

Client bootstrap callback args.

v0.5.7

bootstrap-shutdown-cb: python edition (#114)

Update dependencies

MQTT leak fixes

Updates to deployment scripts.

Codebuild is killing me (#112)

try codebuild run again.

Fix codebuild cd jobs.

v0.5.4

I think trailing whitespace is breaking the codebuild job. (#111)

Improved docs for callbacks

v0.5.3

Callbacks take kwargs in the suggested manner (#109)

Bug fixes for keyword args.

Kwarg bug fixes (#108)

* Fixed some broken keyword args.

Prep for GA, all callbacks now take kwargs

Callback kwargs (#107)

* prep for GA, all callbacks now take kwargs.

MQTT fixes

Bumped version for new pypi package (#95)

* Bumped version for new pypi package

* Use uuid for client id

* Applied PR feedback

Added support for handling any MQTT publish

on_message (any publish) + MQTT tests (#94)

* Updated CRT libs

* Added boto3 as a depedency for testing

* Fixed self-referencing in MQTT connection

* Added support for null sub callbacks