Added additional dice modifier
Added highlights to kept and dropped dice

Added mods to drop highest and drop lowest

Fixed mods breaking rolls

Added a mod to count 1s or 6s in a dice roll
Improved Warhammer preset button layout

Fixed missing Mods buttons

Added Keep Highest and Keep Lowest tags
Added a Mods button that can set tags for the roll (dont clear, keep highest, keep lowest, use proficiency)
When adding a named object to the roll via the Misc button, you are now asked how many you would like to add to the roll

Fixed a bug with variables

Fixed not being able to change variable's values

Added experimental Sheet Variable linking