Updated to latest versions of Create (6.0.8) and Create Big Cannons (5.10.0)

Updated to latest version of CBC

CBC: Nuclear v2.0.0

• Updated for the latest version of CBC (5.5.1)
• The properties of Nuclear Shells are now configurable via datapack, including explosion strength
• Nuclear Shells are now fuzed on the front/top (it's more fun that way) 
• Nuclear Shells (in entity form) can be manually activated with Flint And Steel (good luck getting out of there in five seconds!)

First release, all the stuff. Probably won't add more since this is 70% a joke mod.