def list(limit = nil, cursor = nil)
      qs = {}
      qs[:limit] = limit if limit
      qs[:cursor] = cursor if cursor

      api.get('', qs)
    end
def list(limit = nil, cursor = nil)
      qs = {}
      qs[:limit] = limit if limit
      qs[:cursor] = cursor if cursor

      api.get('', qs)
    end
GET /api/v2/source
 Get all sources for a customer

 @param limit [Integer] the number of sources to return
 @param cursor [String] source at which the list begins
 @return [Wavefront::Response]