Add nodes for the first two items in an EntityEntry
Make the spacebar nullify the selected byte in HexBox
Add Type and Subtype properties to Entity
Add Positions property to Entity

+ Add EntityPosition
Fix FindEID for IEntry chunks
Remove unused EntityEntryBox
Add a 3D viewer for entity entries

+ Add EntityEntryViewer
+ Add custom textures for boxes
+ Add reference to OpenTK
+ Add reference to OpenTK.GLControl