When trying to switch to a container that does not exist, it now removes that ctnr from the session list
When trying to switch to a container that does not exist, it now removes that ctnr from the session list

murrown/cyder,zeeman/cyder,drkitty/cyder,murrown/cyder,OSU-Net/cyder,OSU-Net/cyder,zeeman/cyder,zeeman/cyder,akeym/cyder,drkitty/cyder,zeeman/cyder,akeym/cyder,akeym/cyder,drkitty/cyder,murrown/cyder,akeym/cyder,OSU-Net/cyder,drkitty/cyder,murrown/cyder,OSU-Net/cyder