Beta version

Addition of following systems :

- edit mode : edit any monster, or create new monsters from already existing sheets. If you made formating mistakes while editing, the program will tell you what you have to correct

- advanced search : a menu that makes it easier to search monsters with specific conditions (CR, type, alignment, ...)

Updates :

- combat mode : addition of activable feats for related monsters (power attack, deadly aim and combat expertise)

- minor fixes on some monsters' sheets