Version 0.99

Basic Changes:
-The Wheel Advance & Chariot Unit added
-Commerce tile improvments removed & fused with food improvments
-For cities to grow beyond size 6 you'll need Granary,
beyond 12 Aqueduct and beyond 18 Food Silo (Granary & Food Silo still
give Growth bonus)
-Roads & river movment bonuses lowered
-Revolution occurs with happines of 65 (instead of 60)
-Slider happiness modifiers chaged
-Many script codes added like DIPLOMOD, Fort for AI slic, Capure city slic, etc...
-Great Library now displays cost of units
-AI rebalanced & improved
-Loots of playbalacing changes like different stats for units, terrain, wonders, governments, etc

Sorry for bad English!
