Sorcar v3.2.1

• Added support for object registration & unregistration on each evaluation (handled by nodetree instead of individual nodes)
• Added custom variables in "Custom Python Script" node: _C (bpy context), _D (bpy data), _O (bpy ops), _S (context scene), _N (self node), _NT (self nodetree), _VAR (nodetree variables), _IN (input socket data)
• Added "Select by Index Array" selection node
• Added "Default" input socket in "Get Variable" node to set value if variable not initialised
• Added "Hide Original" bool input prop in "Scatter" node
• Added "Clear Variables" nodetree property in "Properties" UI panel to clear data on re-evaluation
• Added "Clear Preview" operator (shortcut: Alt+E) to clear current preview node
• Added "Execute Node" & "Clear Preview" ops to "Utilities" UI panel
• Improved "Send to Sverchok" node to include selection mask with mesh data sent
• Improved "Receive from Sverchok" node to set selection mask to mesh data received
• Improved "Get/Set Variable" nodes to initialise empty variable in nodetree before accessing property
• Improved "Execute Node" operator: removed redundant tree type check
• Improved "apply_all_modifiers" & "remove_object" helper methods
• Fixed "Separate" node: object array output instead of single object
• Fixed socket interface classes for node-groups
• Fixed "Select Vertices by Connection": switch to vertex mode before selection
• Renamed "Merge" & "Delete" nodes: added "Component" suffix
• Renamed "Cursor" node to "Cursor Transform"
• Renamed "File" input socket to "Directory" in "Export FBX" node