New Era Settler +Walls 1.60

Version 1.60: Resolved dependency issue.

Version 1.59: Revised AiFavoredItems Settler unit production priority.

Version 1.56: AI receives one bonus starting Settler after founding capitol city on Deity difficulty. All other difficulty levels begin with only one starting Settler.

Version 1.55: New Settler is granted at no cost with each new era. Cities automatically receive Ancient Walls, City-States improved walls. Settler requires 10 population, costs 400 production while reducing 3 population once completed.

Version 1.50: Implemented free Ancient Walls for all founded cities, and improved walls for all City-States.

Version 1.43: Corrected value in OP_SETTLE that prevented AI from desiring to settle. (Sorry!)

Version 1.42: Resolved [Gameplay] ERROR: near "UPDATE": syntax error.

Version 1.41: Corrects missing file names in .modinfo. (Sorry)
Note: [Gameplay] ERROR: near "UPDATE": syntax error persists.

Version 1.4: Revised database IDs to correct syntax error, and allow for better debug identification.

Version 1.3: OP_SETTLE Reduced to 0 value and priority to eliminate AI desire to produce Settler units.

Version 1.2: Decreased AI priority for building Settler units to minimum value.

Version 1.1: Improve Settler sight range. Minor code syntax revisions.

Updated to version 1.0
Features: Settler upon new Era, Settler's cost 1000 to produce, Settler turns into Builder upon capture, AI restricted to one Settler at start, except Deity.