[Infrastructures] Reload the config file when commands are run.

[Jordan Curzon]

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I know the main.cf file will be managed by the cache later, but in the
mean time, I want to snap it and have it work. So I wrote a patch to
reread the config file every time a command is executed. This is my
first time in python so it might not be proper form, but it works.
Please give soem feed back on this feature and patch.

Jordan Curzon

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