Issue #431 Fix exception thrown when right clicking in LayoutsList outside of a valid session name
Issue #431 Fix exception thrown when right clicking in LayoutsList outside of a valid session name

git-svn-id: 7bbf7b9e8fa1f9cf75ce1824689b419b31722694@380 8d6e282c-8220-11de-b77e-d9b456c0130a

KroMignon/SuperPuTTY,mirror/superputty,sepich/superputty