Implement Age 8 cards for Echoes Expansion

[ultimatefiend]

This issue will track the implementation of all cards from this age for the Echoes expansion. Please update this comment before working on any of these cards (if the work is unblocked) so that we don't have duplicate work being done.

• [x] 405- Radio Telescope (BLOCKED)

• 503

• [x] 406- X-Ray
• [x] 407- Bandage
• [x] 408- Parachute
• [x] 409- Nylon
• [x] 410- Sliced Bread
• [x] 411- Air Conditioner (BLOCKED)

• 447

• [x] 412- Tractor
• [x] 413- Crossword (BLOCKED)

• 436

• 472

• [x] 414- Television

[ultimatefiend]

Of all of these, Crossword will probably be the toughest because it would involve tracking how many of each bonus has been drawn thus far.

[ultimatefiend]

After talking it over with Micah, I think the same table mechanism for Lever could be used for Crossword so the dependency was marked the same.