Flux modifier now uses the properties of the battery that was added. (Max-Energy and transfer rates)
Reimplement mDiyos all-your-energy-belongs-to-us fix for charging flux-tools. Flux-tools eat all the energy in the hotbar now.
Fix a derp in the energy transfer calculation for tools
Allow upgrading the Flux-Modifier, if the new battery is bigger
Prevent hotbar-energy-sucking for unchargeable (potato) batteries
Merge pull request #832 from bonii-xx/master

Proper Flux Modifiers + Blockbreak-Bug fix