add debugging around keypair loading/generating to debug travis issue
add debugging around keypair loading/generating to debug travis issue

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