Added error handler to async script loader, fixed bug preventing scripts from being reloaded in case of load error.
Added error handler to async script loader, fixed bug preventing scripts from being reloaded in case of load error.

nbezembinder1/evothings-examples,evothings/evothings-examples,InMyOrbit/evothings-examples,mikaelkindborg/evothings-examples,evothings/evothings-examples,gokr/evothings-examples,nbezembinder1/evothings-examples,divineprog/evothings-examples,gokr/evothings-examples,mikaelkindborg/evothings-examples,nbezembinder1/evothings-examples,divineprog/evothings-examples,mikaelkindborg/evothings-examples,evothings/evothings-examples,nbezembinder1/evothings-examples,InMyOrbit/evothings-examples,divineprog/evothings-examples,gokr/evothings-examples,divineprog/evothings-examples,gokr/evothings-examples,InMyOrbit/evothings-examples,gokr/evothings-examples,nbezembinder1/evothings-examples