v4.7.0-beta.1

-Updated covets to version 1.4
-Updated thematic board images (thanks to @MJyio)
-Switched Metal Tokens to be stackable like other spirit tokens (thanks to @MJyio)
-Moved tables with xml buttons to be a little higher to try to fix issue with TTS beta
-Fixed issue where dual random adversary with maximize levels would always grab the same specific one, rather than pick from all valid options
-Fixed typo in Hoard marker name
-Fixed typo in message for initial Explore Action