Changed the 'view mode' selector in HexEditContainer.cs to a DropDownList, to make the Text unchangeable.
Changed behavior for 'Key.Space' in SharpTreeView.cs
instead of 'double click', now it sets 'IsChecked'.
Change can be observed in 'Search for issues'
Added back snippet completion. Not yet context-aware.
Merge pull request #48 from tobijdc/newNR

Snippet completion and minor changes