revent.py: Adding some warning messages to autoBind()
revent.py: Adding some warning messages to autoBind()

IMHO, the _handle_* mechanism is a bit too magical -- pretty hard to debug.
Hopefully these prints help somewhat.

--HG--
extra : transplant_source : %D3%02W%DC%10%A6-l%1D%B4%B5%AF%88%0B%C2%E9Z%CD%DA%A8

pthien92/sdn,kpengboy/pox-exercise,VamsikrishnaNallabothu/pox,kavitshah8/SDNDeveloper,kulawczukmarcin/mypox,andiwundsam/_of_normalize,kavitshah8/SDNDeveloper,adusia/pox,diogommartins/pox,noxrepo/pox,chenyuntc/pox,waltznetworks/pox,MurphyMc/pox,xAKLx/pox,noxrepo/pox,kpengboy/pox-exercise,PrincetonUniversity/pox,carlye566/IoT-POX,waltznetworks/pox,andiwundsam/_of_normalize,kulawczukmarcin/mypox,VamsikrishnaNallabothu/pox,MurphyMc/pox,kavitshah8/SDNDeveloper,denovogroup/pox,xAKLx/pox,denovogroup/pox,waltznetworks/pox,xAKLx/pox,pthien92/sdn,xAKLx/pox,pthien92/sdn,MurphyMc/pox,noxrepo/pox,adusia/pox,kulawczukmarcin/mypox,PrincetonUniversity/pox,pthien92/sdn,diogommartins/pox,adusia/pox,jacobq/csci5221-viro-project,PrincetonUniversity/pox,kpengboy/pox-exercise,carlye566/IoT-POX,kpengboy/pox-exercise,andiwundsam/_of_normalize,kavitshah8/SDNDeveloper,denovogroup/pox,chenyuntc/pox,MurphyMc/pox,xAKLx/pox,andiwundsam/_of_normalize,jacobq/csci5221-viro-project,waltznetworks/pox,PrincetonUniversity/pox,kulawczukmarcin/mypox,carlye566/IoT-POX,carlye566/IoT-POX,denovogroup/pox,denovogroup/pox,adusia/pox,adusia/pox,jacobq/csci5221-viro-project,diogommartins/pox,VamsikrishnaNallabothu/pox,diogommartins/pox,kulawczukmarcin/mypox,VamsikrishnaNallabothu/pox,VamsikrishnaNallabothu/pox,pthien92/sdn,jacobq/csci5221-viro-project,chenyuntc/pox,PrincetonUniversity/pox,chenyuntc/pox,carlye566/IoT-POX,MurphyMc/pox,chenyuntc/pox,kpengboy/pox-exercise,noxrepo/pox,waltznetworks/pox,jacobq/csci5221-viro-project,diogommartins/pox