gamerules reset after entering world

[Aiz0]

I added global gamerules with #227 to disable the travelling merchant
they are as the name suggest global.
This means that if save is enabled, the config file will be updated when a gamerule changes.
When save is disabled then all changed gamerules are reverted back to whats in the config when you join the world.
This is not what i had in mind. I need to look for a different mod that adds DEFAULT gamerules and not global ones.