Update 62.1 - Play effect + AI improvement

• Added ability effect: Play this.
• Added ability effect: Play <target>.
• Sim AI now only does random action when difficulty is 0.
• Sim AI now now chooses a less optimal action instead of random on lower difficulties.
• Default AI difficulty changed to 50%.
• Image download errors now no longer fails whole download.
• Updated Repel description to be more clear.
• Fix wording in take control a random enemy.
• Fix error that could occur in ability editor.
• Fix error that could occur with start cards.
• Fix error that could occur on web.
• Fix issue with simulation tool.
• Fix issue with clear buttons.
• Fix a null error.

The new abilities will allow you to force play cards. I.e. On Death: Play the leftmost card in your hand. 

The sim AI should make a bit better decisions, unless you have set difficulty really low.