v0.20.1 Save story button

What's Changed

• Update v0.20.1 by @neph1 in #55

Minor stuff:

• Save story button. 'Shortcut' for save_story command.
• Save_story now supports 'save as' by specifying another name.
• Removing load npc button if the player doesnt have wizard privileges. (The command doesn't work anyway, then)

Full Changelog: v0.20.0...v0.20.1