Merge pull request #34 from dmichiels/improveui

Improveui
Merge pull request #35 from dmichiels/improveui

better escape of link focus
Merge pull request #36 from dmichiels/improveui

edit the component options
re-introduction of exec
Merge pull request #37 from dmichiels/master

re-introduction of exec
fix bug when loading a subcomponent or a component without options