- Added in base functions to handle multipliers on a dice roll
- Added in a variance function to results
- Moved World type to the PlanetReference.
- Moved atmospheric description to it's own function, allowing us to no longer specific Greenhouse type within the atmo function.
- The hydrographic coverage now properly describes the type of Greenhouse world we have, as well as assigns it properly.
- The generation method now will not generate for an gas giant.