• new: Draw Tool has a context menu and better keyboard shortcut support 
• new: Draw Tool is aware of the DL Training panel 
• new: Draw Tool allows to change class to draw by shortcut or context menu (in DL Trainer mode) 
• improved: Trace Tool - connect to a cell body segment 
• improved: Trace Tool - optimized remove branch 
• improved: 'unable to connect' messages in the Trace Tool are more understandable