Live update to the environment variables

[khanly]

Hello:

Normally, I have to stop hubot, make changes to the environmental variables (i.e. HUBOT_SPARK_API_URI, HUBOT_SPARK_ACCESS_TOKEN, HUBOT_SPARK_ROOMS), and then restart hubot for the changes take into affect.

Is there a way to make changes to the environmental variables live without stop and restart hubot. Like when the token changes, I can update HUBOT_SPARK_ACCESS_TOKEN in real-time. Or when I want to add/delete a room, I can assign the changes to HUBOT_SPARK_ROOMS without restarting hubot.