Updates Readme (+1 squashed commit)

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[4bb6e6e] Updates iis_config section in readme with better descriptions. (+1 squashed commit)
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[130ce0d] Adds :config deprecation to readme (+1 squashed commit)
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[891981f] Removes unneeded lines (+1 squashed commit)
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[14e0b62] Updates readme of :clear (+1 squashed commit)
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[a152a9a] Adds :set to action (+1 squashed commit)
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[1dc927e] Converts clear to function (+1 squashed commit)
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[dbf4552] Updates readme (+1 squashed commit)
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[fa8f30a] Adds a clear config