update requests exception handling
update requests exception handling

autopulated/yotta,iriark01/yotta,bridadan/yotta,theotherjimmy/yotta,bridadan/yotta,ARMmbed/yotta,ntoll/yotta,stevenewey/yotta,theotherjimmy/yotta,autopulated/yotta,BlackstoneEngineering/yotta,ntoll/yotta,BlackstoneEngineering/yotta,eyeye/yotta,iriark01/yotta,eyeye/yotta,stevenewey/yotta,ARMmbed/yotta