Update RSpec version and fix deprecated `should` matchers
Extract RSpec configuration into a separate spec_helper file
Fix failing spec due to what is probably a Nest API change
Ensure that username and password are not stored in memory after logging in (fixes #10).
Also, embed specs inside of the namespace module to avoid repeating NestThermostat::
Merge pull request #20 from ericboehs/eb-stop-remembering-passwords

Make Nest class stop remembering email and passwords