Inherit visgroups correctly through parent objects
Add "New" button to visgroup sidebar, with default Alt+V hotkey
Fix two bugs in the parsers for the .vmf and .map file formats
Trim "sound/" from the start of sound paths in the entity properties
Limit texture scale to 2 decimals of precision when editing Goldsource maps
Cancel free-look mode when switching between tools
Don't try and maintain texture alignment when texture lock is turned on and resizing/skewing brushes (replicates VHE behaviour)