New:
[+] Added /balloons tools that opens the tools GUI (Balloon wand, remove nearby balloons, remove all balloons)

Fixes:
[+] Fixed some console errors

New:
[+] New config options:
[+] You can now use player heads as the balloons material.
[+] Added the option to switch between Blocks and Heads via the settings GUI

New:
[+] Updated the Settings GUI to allow you to change Balloon Speed, Materials Keep Changing, Players Can Shake Balloons, Materials Change speed and options to adjust the min x, y, z and max x, y, z.
[+] New Reload command to reload the plugin

Changes:
[+] Removed SetBalloonSpeed command as it is now integrated within the settings gui
[+] Updated 'language.yml' for new strings that were added:

New:
[+] New 'settings' command. This command opens a GUI to customise the config settings in-game. Note that this is a BETA feature and only has the option to increase and decrease the amount of balloons to spawn. More are coming in 1.6.

Changes:
[+] Added the following to `language.yml`
Fixes:
[+] Fixed a bug that caused all villagers in the world to have a block on its head if `Materials-Keeps-Changing` was set to true

New:
[+] Added 'help' command
[+] Running '/balloons' on its own will now output a message
[+] Added permission for all commands 'balloons.admin'

New:
[+] Added Command Handler meaning commands will now run for example like `/balloons wand`. Additionally, you can use the alias '/ba'
[+] Tab Completer for Command Handler. (Gives you a list of options with TAB when typing /balloons)

Thanks for the suggestion Log1x!

New:
[+] Added 'AddBlock' command. Hold a block in your hand while running the command to have that block added to the balloon materials list
[+] Added 'RemoveBlock' command. Same as AddBlock, just removes it.
[+] Added 'SetBalloonAmount` command. Type /setballoonamount <amount> to adjust how many balloons there should be when using the wand.

Changes:
[+] Updated `language.yml` for all the newly added strings:

New:
[+] You can now have the Balloon Material keep switching throughout the available options in the list at a configurable speed.

Changes:
[+] New options for the config.yml:

New:
[+] Added 'language.yml' to customise all the strings the plugin uses.