Bukkit

Changes in v1.1
new command: /uexe - execute a list of command
new command: /ultratool - list the command of plugin
new command: /uif - test a condition and create redstone signal
new command: /uitem - edit, rename, enchant, ... an item
new command: /utool - give repulsion/attraction tool for admin
add new sub command to /upoint effect
add an argument to /uspawn command: "passif:<0/1>"
add an argument to /uspawn command: "velocity:<x>,<y>,<z>"
all permission change
error and warning message are more explicit
some crash server and bug fix...