Fixed an update with values not decreasing when selling. Also included:

• Changed project path from com.olliejw -> me.olliejw. With the creation of my new website https://olliejw.me
• Overhauled update checker with support to dev builds
• New bStats data: Checks how many servers actually use automatic marketcrashes
• Values can now go below $1 forever
• General bug fixes

Also the following updates have kindly been contributed by ChronosX88:

• Toggle value messages
• Added messages for errors and updates
• Fixed 0% tax issue
• Fixed value changing issue
• Updated .gitignore
• Changed method of giving players money