Updates Main Module
Updates Main Module

- Updates temp and humidity variable names.
- Declares function for getting the WiFi address.
- Corrects call to connect the WiFi.
- Disables MQTT connection to Adafruit.
- Adds routes for temp units.
- Turns off the LED on GPIO16.
- Adds a .5 second delay to the loop.
-- This may be removed in the future, when/if the seial output is disabled.

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