Convert url's to strings, clear resolved instance before attempting to test config.
Convert url's to strings, clear resolved instance before attempting to test config.

MichaelMaar/concrete5,MichaelMaar/concrete5,avdevs/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,TimDix/concrete5,avdevs/concrete5,matt9mg/concrete5,TimDix/concrete5,TimDix/concrete5,avdevs/concrete5,matt9mg/concrete5