Invoke plugin handlers when loading single plugin
Invoke plugin handlers when loading single plugin

appleseedhq/appleseed,luisbarrancos/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,est77/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,est77/appleseed,pjessesco/appleseed,appleseedhq/appleseed,luisbarrancos/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,appleseedhq/appleseed,appleseedhq/appleseed,pjessesco/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,Vertexwahn/appleseed,dictoon/appleseed,dictoon/appleseed,Vertexwahn/appleseed,est77/appleseed,est77/appleseed,Vertexwahn/appleseed,luisbarrancos/appleseed,dictoon/appleseed,dictoon/appleseed,est77/appleseed,dictoon/appleseed