Reforestation

v1.8.0
Now uses XML for config system.
Added support for WorldGuard and Residence.
Added more checks for user input errors.
v1.7.0
Made Reforestation work with most Bukkit builds past MC 1.3 without need for updates.
v1.6.4
Updated to CB 1.5.0-R0.1.
v1.6.3
Added checks for faulty data usually sent with modded blocks in the event handler.
v1.6.2
Fixed a fatal incriminator bug.
v1.6.1
Fixed several issues in the replanting method that could cause errors.
Massively improved performance when looking up worlds.
v1.6.0
All processes now occur on the main thread.
You can now enable/disable replanting in game.
v1.5.1
Updated to CB 1.4.7-R1.0.
v1.5.0
Actually fixed a thread bug.
v1.4.2
Fixed a thread bug.
v1.4.1
Updated to 1.4.6.
v1.4.0
Updated to 1.4.5.
You can now disabled planting in certain worlds.
v1.3.0
Placing requirements now come from each block's class instead of being the same as a sapling's.
The thread delay value now works when you change it in the config.
Uses an array for saplings types instead of a list for faster access.
v1.2.3
Actually fixed a major replanting issue.
v1.2.2
Fixed a major replanting issue.
v1.2.1
Added a configurable thread delay.
Fixed a few memory leaks.
v1.1.0
Added Plugin Metrics support.
v1.0.1
Fixed a stacking bug.