Add some more files.
Handle Forestry farms’ items.
Add Forestry support file.
Add support for empty dimension directories.
Add support for 1.6.4 stuff and more Railcraft machines.
Add a remapper for the change in coupler tracks.
Add support for new config file formats, empty regions, and liquids.
Add a bunch of additional Buildcraft-related remapping code for newer version.
Add known limitations to the sidegrade script.
Add missing header.