Maintain driver reference on browser quit
Add a SauceLabs view to update test status on a Sauce account

Display URL of job at end of test
Display amount of minutes left at the beginning of the test
Add support for passing Sauce authentication data through env variables to view
Approximate Sauce minutes left after test in Sauce view
Document relationships with SauceLabs and associated view
Provide SauceLabs view and send test results

Fixes #87
First preversion for v0.6.2

Bump version number