def campaigns(options={})
      response = connection.get do |req|
      	req.url "campaigns", options
      end
      return_error_or_body(response)
  	end
def campaigns(options={})
      response = connection.get do |req|
      	req.url "campaigns", options
      end
      return_error_or_body(response)
  	end
Get a list of all campaigns for the authenticating client.

 @param [Hash]  options
 @option options Integer :limit - The maximum number of records to return.