v0.1.2 - Based on a request I added block probability to the configuration and wrote an extensive explanation on how to use it and a list of each block in each group.
v0.1.1 - Re-uploaded because plugin.yml was excluded from the jar.
v0.1.1 - Removed some possible items from chests.
Not compatible with bukkit 1.4.7
Missing tree saplings. These are already added into 0.1.3 build that I'm currently working on.