Update 61.21 - Comments + abilities

• Mod Page: Added simple comments.
• Added ability: Heavy: Cannot be returned.
• Added ability: Repel: Immune to ability removal.
• Added ability effect: Reveal <target> temporarily.
• Added ability effect: Reveal <target> until moved.
• Added ability effect: Show your|enemy|players' hand permanently.
• Added ability effect: Hide your|enemy|players' hand permanently.
• Added ability effect: Remove aura|at|on|when abilities from <target>.
• Added ability condition: If attacker|defender.
• Collection: Added graph of deck cost.
• Collection: Filter simplified into a dropdown.
• Collection: Added tooltip when you cannot add card to deck.
• Collection: Added tooltip to card limit and amount numbers.
• Challenge editor: Added disable own deck challenge.
• Challenge editor: Added disable random deck challenge.
• Challenge editor: You can now drop png files.
• Design editor: Added XML editor.
• Design editor: Added 'Restore to last save" option to root node.
• Rules editor: Added disable create random in deck selection.
• You can now edit your mod/game from the mod page. (also allows you to download your mod again)
• Removed 'Aura: Give a random' option.
• Reveal time set to 1 second.
• Fix issue with loading a file in a mod.
• Fix issue with card add animation being small.
• Fix issue with 'Every X turns, at..:"
• Fix issue with manual editor new.
• Fix issue in text sprites in web version.
• Fix issue where lobby error would not close correctly.
• Fix error that could occur with killer in abilities.
• Fix tutorial being available when it's not.

Comments will allow you to leave comments/reviews on mods/games. 

Note: Reveal is only meant to target cards in hand.