Currently no files are created here using the versions mentioned below :(

Craftbukkit-1.1-R4
TerrainControl v2.0.6

2012-02-22 23:43:59 [INFO] [TerrainControl] Loading TerrainControl v2.0.6.
2012-02-22 23:44:00 [INFO] TerrainControl v2.0.6 is now enabled
...
2012-02-22 23:51:29 [INFO] TerrainControl v2.0.6 can`t be disabled

Thats the only things it logs

Also version 1.2.14 and v2.0.1 did not create files.