Readme problem

[0100Light]

The "#or alternatively:" part should be something like this:
@mailgun = Mailgun(:domain => ENV['mg-domain'], :api_key => ENV['mg-api-key']) or
@mailgun = Mailgun(:domain => 'your-domain', :api_key => 'your-api-key')

Otherwise will get error like this:

Please consider editing the readme :)

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Rails 4.2.1
using in integration with figaro