Fix nextSendTime and add more tests

Add more testing and run tests on windows too (#12)

* Add test for close bug and run on windows

* Don't do coverage on the windows test

* bump the aws sdk version

* Make the tests more robust

* Try without race flag on windows

* send more logs

* set size of expected logs

* Attempt to fix the 10k limit test

* Fix test

* actually fix the test

* Allow the queueMonitor routine time to startup

* Rename test

* make tests more robust

* Add a bit more info to the waitForLogs error

* still repeat the send on close tests

* Add an assertion on the length of time for close

* Speed up final test

* Make 10k test more robust

* bump version