LotDub [Lottery] [Commands and Permissions Support] 1.3.2

What is LotDub? LotDub is a plugin that make a lot with emeralds so it just give a new use for that material. I made this for my prision server and now I want to share it with you. I know it is very simple done, but it can grow up to a big plugin with your comments on the discussions.
Working on spigot 1.8.X.
=====================CONFIG=====================​

Code (Text):

numberemeralds: 64
needemeraldsmsg: '&cNecesitas %numberemeralds% esmeraldas para hacer un sorteo'
waitmsg: '&cEspera a que acabe este sorteo'
messages:
- '&2Has ganado &91 stack de mena de oro'
- '&2Has ganado &930000$'
- '&2Has ganado &91 Hilo'
commands:
- give %player% iron_ore 64
- eco give %player% 30000
- give %player% string 1
percents:
- 20
- 20
- 60
 

================SERVERS USING IT================
mc.survivaldub.com
===================COMMANDS===================​

/lotget ; give you the amount of emerald that you need to use the lot.
/lotreload ; just reload the plugin to get the new config.
Much more on next updates...

==================PERMISSIONS==================​

lot.get ; permission needed to do lotget command.
lot.reload ; permission needed to do lotreload command.
Much more on next updates...

===================HOW TO USE===================​

-Put it on the plugins folder
-Start the server
-Put a Ender portal frame on the floor and right click it with emeralds and good luck!

==============FUTURE FEATURES TO DO==============​

-Make it totally configurable. [ DONE ]
-Add a reload command. [ DONE ]
(Suggest me on the discussion for more features.)

Spoiler: Screenshots