Correct yellow tiles to match correct count, including both 2- and
3-player mode

F2 and F4 do not have city slots

Add city Denver (tile 802)

pre1c is for a preprinted single-city tile with no connections, and
having the city in the center of the map. (Same as -10 but centered
city)

Companies float at 50%. IPO stocks pay out to company. Payouts may be
split. Base stations are placed when the company floats. Presidents
shares are worth 40%, and there are 6 normal 10% shares. The RG&S
private company comes with a share of D&RGW.

Tiles 5 and 6 both upgrade to tile 12. The game includes three of them.

Correct tyop in comment.

Fix starting cash, remove bank pool limit.
Allow sell/buy in either order.
Adjust train prices, add some "E" trains and adjust phases and
offboardrevenue steps.
Map: fix orientation of Colorado Springs.
Switch to 1800 stockmarket instead of 1830.
Game ends at $225 stock value.
Hex 802 can only update Denver (hex G3)

New tile 'pre1oms' for an off-map station that has a station slot, used
by Cheyenne in 1800.

* Add tile 800 svg
* Add tile 800 and tile 802 to the tile manifest.
* Switch to negative-numbered tiles for preprinted (hidden) tiles.
* Remove some 1830-specific tiles from the 1800 tile manifest

*Add tile 800 to the TileDesigner dictionary.

* Capitalization is incremental in 1800.
* Fix document size of tile #800 svg
* Begin adding SpecialTileLay for Tile #800 -- needs to be restricted to
one company.

* Update tileset for full upgrade list
* add tiles 802-808 to tiles manifest

* Add 3-player map image.
* Update map hexes
* Modify private companies
* with 3 players, D&SL no longer gets tile #800 but can trade for a
share (not yet implemented)

Update companies for 3 player option