* Created a binary sensor and corrected some review comments. * Updated the poolsense class and its interface to handle credentials better * Moved the client session to the PoolSense class. * Apply suggestions from code review * Update binary_sensor.py * Update homeassistant/components/poolsense/__init__.py * Update sensor.py * Update binary_sensor.py Co-authored-by: Chris Talkington <chris@talkingtontech.com>