Sprint Release 7

• Added precipitation data to the simulation.
• Implemented a new Seeder vehicle sprite, and modified it to have the planting in a more realistic layout.
• Implemented multiple vehicles rendering simultaneously, and added the ability to swap the camera between them.
• Added hitboxes for the vehicles.
• Enforced seeding to the Seeder, and harvesting to the Harvester.
• Added improvements to the Bitmap to allow it to be further dynamic.
• Added more tests.
• Added different yield scores per available crop.
• Cleaned up now-unused files and code, and optimized others.