Feature list:

SCM status badges:

Support for SVN and Git
Displayed in the project file list and the window proxy icon
Swapping the project drawer for a panel

Support for ⌃⌥⌘D and ⌃⌘R is kept
The sidebar can be placed on either side of the window
Since I created this someone has updated the MissingDrawer plug-in with these features, if you wish to use this plug-in instead then you can disable the feature
Finder colour labels

Labelled files are displayed in the project drawer
Label can be set through the context menu
Project-tree state can be preserved when re-opening the project

QuickLook preview of files in the project file list through the context menu (or ⌥␣ when the file list is focused)
Sorting options through the project file list context menu
Display folders on top
Sort by file extension
“Open With” option