LOW: Caught NPE
MEDIUM: This should fixed the showing/hiding of specific tabs such as
the metrics/Lean tabs
LOW: Fixed displaying of placeholders when hovering widgets
(non-container component)
LOW: Added final keyword
LOW: Removed comments
MEDIUM: Added possibility to add a tab with a '+'
IMPORTANT: Focused and selected borders are now painted by the editor
controller
LOW: Prevented ConcurrentModificationException
LOW: Removed comments
MEDIUM: Fixed NPE if value is null
MEDIUM: Added automatic index computation
Fixed First/Down/Up/Last buttons in inspectors
LOW: Dropped comments
LOW: By default TextArea's come with scrollbars