Improved exception msg if plugin loading failed.
Improved exception msg if plugin loading failed.

CJGoch/CTK,commontk/CTK,ddao/CTK,AndreasFetzer/CTK,ddao/CTK,CJGoch/CTK,vovythevov/CTK,ddao/CTK,finetjul/CTK,commontk/CTK,fedorov/CTK,rkhlebnikov/CTK,Sardge/CTK,espakm/CTK,mehrtash/CTK,Heather/CTK,commontk/CTK,mehrtash/CTK,CJGoch/CTK,msmolens/CTK,danielknorr/CTK,jcfr/CTK,jcfr/CTK,151706061/CTK,espakm/CTK,naucoin/CTK,msmolens/CTK,151706061/CTK,SINTEFMedtek/CTK,pieper/CTK,naucoin/CTK,jcfr/CTK,sankhesh/CTK,jcfr/CTK,finetjul/CTK,lassoan/CTK,151706061/CTK,rkhlebnikov/CTK,vovythevov/CTK,rkhlebnikov/CTK,151706061/CTK,laurennlam/CTK,vovythevov/CTK,Sardge/CTK,Sardge/CTK,danielknorr/CTK,151706061/CTK,danielknorr/CTK,sankhesh/CTK,SINTEFMedtek/CTK,fedorov/CTK,AndreasFetzer/CTK,fedorov/CTK,laurennlam/CTK,SINTEFMedtek/CTK,vovythevov/CTK,laurennlam/CTK,AndreasFetzer/CTK,rkhlebnikov/CTK,espakm/CTK,mehrtash/CTK,naucoin/CTK,Sardge/CTK,danielknorr/CTK,finetjul/CTK,finetjul/CTK,laurennlam/CTK,SINTEFMedtek/CTK,lassoan/CTK,pieper/CTK,mehrtash/CTK,pieper/CTK,msmolens/CTK,espakm/CTK,msmolens/CTK,lassoan/CTK,SINTEFMedtek/CTK,lassoan/CTK,ddao/CTK,fedorov/CTK,Heather/CTK,Heather/CTK,pieper/CTK,CJGoch/CTK,CJGoch/CTK,Heather/CTK,jcfr/CTK,AndreasFetzer/CTK,commontk/CTK,sankhesh/CTK,naucoin/CTK,sankhesh/CTK