savonrb / savon / 817

98%

Pull #812

travis-ci

Update options.rb to allow `proxy` to be `nil`.

Allow `proxy` to be `nil` so the client can be instantiated like this:

```ruby
Savon.client(
    wsdl: 'some.wsdl',
    ...

    proxy: ENV['savon_proxy'].present? ? ENV['savon_proxy'] : nil
  )
```

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