"sandbox-tradeapi.spotware.com" appears to be down

Your test app used to workm but now it prints the folowing:

SendAuthorizationRequest() Message to be send:
ProtoMessage{AuthRequest{clientId:7_5az7pj935owsss8kgokcco84wc8osk0g0gksow0ow4s4ocwwgc, clientSecret:49p1ynqfy7c4sw84gwoogwwsk8cocg8ow8gc8o80c0ws448cs4}}
Data sent: 00 00 00 6F
Data sent: 08 D0 0F 12 6A 12 34 37 5F 35 61 7A 37 70 6A 39 33 35 6F 77 73 73 73 38 6B 67 6F 6B 63 63 6F 38 34 77 63 38 6F 73 6B 30 67 30 67 6B 73 6F 77 30 6F 77 34 73 34 6F 63 77 77 67 63 1A 32 34 39 70 31 79 6E 71 66 79 37 63 34 73 77 38 34 67 77 6F 6F 67 77 77 73 6B 38 63 6F 63 67 38 6F 77 38 67 63 38 6F 38 30 63 30 77 73 34 34 38 63 73 34
Data received: 00 00 00 43
Data received: 08 32 12 3F 12 16 43 48 5F 43 4C 49 45 4E 54 5F 41 55 54 48 5F 46 41 49 4C 55 52 45 1A 25 63 6C 69 65 6E 74 49 64 20 6F 72 20 63 6C 69 65 6E 74 53 65 63 72 65 74 20 69 73 20 69 6E 63 6F 72 72 65 63 74
Data received: 00 00 00 04
Data received: 08 33 12 00
ProcessIncomingDataStream() Message received:
ProtoMessage{ErrorResponse{errorCode:CH_CLIENT_AUTH_FAILURE, description:clientId or clientSecret is incorrect}}