Add Login/Logout functions to client struct
Add Login/Logout functions to client struct

abathla/govmomi,runner-mei/govmomi,juju/govmomi,l1jiang/govmomi,caglar10ur/govmomi,casualjim/govmomi,gonkulator/govmomi,austinlparker/govmomi,egorovv/govmomi,bruceadowns/govmomi,juju/govmomi,ilikejam/govmomi,mevansam/vsphere-govmomi,casualjim/govmomi,higebu/govmomi,kristinn/govmomi,juju/govmomi,daxgames/govmomi,cgtexmex/govmomi,vmware/govmomi,jrmycanady/govmomi,cgtexmex/govmomi,anexia-it/govmomi,mevansam/vsphere-govmomi,chrislovecnm/govmomi,excilsploft/govmomi,kristinn/govmomi,daxgames/govmomi,higebu/govmomi,frapposelli/govmomi,dougm/govmomi,cgtexmex/govmomi,egorovv/govmomi,RotatingFans/govmomi,RotatingFans/govmomi,logankimmel/govmomi,gonkulator/govmomi,RotatingFans/govmomi,casualjim/govmomi,ilikejam/govmomi,l1jiang/govmomi,austinlparker/govmomi,abathla/govmomi,daxgames/govmomi,frapposelli/govmomi,abathla/govmomi,jrmycanady/govmomi,logankimmel/govmomi,dougm/govmomi,bruceadowns/govmomi,chrislovecnm/govmomi,ilikejam/govmomi,gonkulator/govmomi,l1jiang/govmomi,jrmycanady/govmomi,kristinn/govmomi,excilsploft/govmomi,bruceadowns/govmomi,dougm/govmomi,caglar10ur/govmomi,mevansam/vsphere-govmomi,austinlparker/govmomi,chrislovecnm/govmomi,egorovv/govmomi,higebu/govmomi,runner-mei/govmomi,anexia-it/govmomi,runner-mei/govmomi,logankimmel/govmomi,anexia-it/govmomi,vmware/govmomi,frapposelli/govmomi,caglar10ur/govmomi,excilsploft/govmomi,vmware/govmomi