Min and Max fixes

Changes

• add link_table(visible_text, table_name) macro meta function [1]
• add link_compendium(category, entry) macro meta function [1]
• fix min(a,b) and max(a,b) not simplifying equations or dice expressions in some cases.
• fix link_roll(display_text, roll_string) macro meta function not handling roll functions as a part of the roll_string

1. See documentation .pdf for examples