• Added authentication helpers set_zillow_web_service_id() and get_zillow_web_service_id()

  • Added wrapper functions for the following endpoints:

    • GetChart()
    • GetComps()
    • GetDeepComps()
    • GetDeepSearchResults()
    • GetMonthlyPayments()
    • GetRateSummary()
    • GetSearchResults()
    • GetUpdatedPropertyDetails()
    • GetZestimate()