made loadUsers cope with situations where there is no json file in a users directory
made loadUsers cope with situations where there is no json file in a users directory

aikuma/aikuma,lisaslyis/aikuma,hleeldc/aikuma,lisaslyis/aikuma,aikuma/aikuma,lisaslyis/aikuma,hleeldc/aikuma,hleeldc/aikuma,aikuma/aikuma,hleeldc/aikuma,lisaslyis/aikuma,aikuma/aikuma,hleeldc/aikuma,aikuma/aikuma,lisaslyis/aikuma