Lol, great - I knew that version number was going to give us problems - we should have gone for 1.40x or 1.60x instead
I hope it works for you when the download is finished. Here's the changelog to read while you're waiting. And be advised, that it is far from complete (the changelog, not the mod

)
List of Changes:
1.50x
-------------
Edit: The cost, culture and happiness settings of many Improvements and wonders have been changed
Edit: All 4 Palace Gardens improvements changed to Small Wonders
Edit: Basilica now requires a Temple to be built
Removed: Drug Store Improvement
Removed: Steel Mill Improvement
Removed: Television Station Improvement
Removed: Big Ben Great Wonder
Removed: Great Buddha Wonder
Added: Steel Foundry Great Wonder (works as Iron Works, available with Communism)
Edit: Coal Plant, Factory, Manufacturing Plant, Modern Farm, Nuclear Plant, Offshore Platform, Slave Market and Wind Farm no longer cause unhappiness when built.
Edit: Forge Improvement no longer requires Iron to be built
Edit: Multi-Cultural Center, Park, Theater no longer makes citizens content.
Edit: Civil Liberties Improvement no longer makes citizens content.
Edit: Chivalry now requires Feudalism instead of Stirrup
Edit: Feudalism now requires Stirrup instead of Monotheism
Edit: Stirrup now requires Tactics instead of Feudalism
Edit: Fundamentalism now requires Feudalism in addition to Theology
Edit: Vassalage now requires Iron Working in addition to Aristocracy
Edit: Champion no longer has ranged attack, and upgrades to Swordsman.
Edit: Fanatic has been replaced by Cuture Specific units: The Crusader (European), Mujahid (Middle Eastern), Inquisitor (Mediterranean), Ghost Dancer (American) and the Warrior Monk (Asian)
Edit: Immortals have been changed to ADM 2.2.1 and are now available with Bronze Working
Edit: Archers, Bowmen and Crossbowmen can now only use ranged weapons in defense.
Edit: War Chariots, Chariot Archer, Mounted Warrior, Elephant Archer, Horse Archer can now only use ranged weapons in defense.
Edit: Samurai now require horses in addition to Iron
Fixed: Musketman, Grenadier and Rifleman are no longer flagged as Amphibious
Edit: Nuclear Submarine now treats all terrain as roads.
Fixed: Spy now upgrades to Secret Agent again.
Added: Ethiopian Civ
Added: Incan Civ
Added: Mali Civ
Added: Polynesian Civ
Added: Sioux Civ
Added: Tibet Civ
Removed: Pharmaceuticals tech
Added: Democratic Socialism tech (Req: Communism, Motion Pictures and Theory of Relativity)
Edit: Social Democracy available with Democratic Socialism Tech
Edit: Labor Union no longer increases Productivity but instead decreases Pollution
Edit: Port now also allows trade over sea tiles (with Astronomy)
Added: Sailing Tech - available with Boat Building and Map Making
Edit: Boat Building is now a starting tech, and no longer requires any other techs.
Edit: You are allowed to build cities on Jungle squares (again)
Edit: Ocean movement cost reduced to 2
Edit: Scouts and Rangers now have -2 HP penalty
Edit: Scouts, Troubadours, Explorers and Adventurers can now be airlifted
Added: African Scout flavor unit - available to Egypt, Ethiopia and Mali - same stats as regular scout
Added: African Ranger flavor unit - available to Zulus - same stats as regular ranger.
Edit: Spy and Secret Agent are now also invisible and can see invisible units.
Edit: Nuclear Submarine has been renamed Boomer Submarine.
Edit: Brig has been renamed Carrack
Edit: Horseman Attack reduced to 2
Edit: Tank Attack increased to 14
Edit: APC Attack reduced to 10, defense reduced to 16 and removed transport ability
Added: Completed all the Tech Advisor Screen blurbs
Edit: You now need to know Dynasticism, before you can start clearing forests.
Edit: Engineering (aka. Mining) is now given by Construction tech.
Edit: Changed the order of resources to fix graphic issues.
Fixed: Chiefdom Icons have been slightly modified.
Added: Angkor Wat wonder and graphics
Edit: Trebuchet now uses AoK Trebuchet animation and icons
Fixed: Unit Icons for Trireme and Longship were incorrect
Fixed: Build Queue Icons for a number of units corrected and/or replaced
Added: Eastern Pikeman flavor unit
Fixed: A few issues with ship stats and upgrades
Edit: Despotism (the government) is now known as Dynasty (comes with Dynasticism - seemed natural)
Edit: Huge Sillyvopedia update
Edit: Engineering is now called Mining
Edit: Clear Forest nov available from the start.
Edit: Some changes to the world sizes and Tech rates
Edit: Champion changed to be -1HP and cost 1
Edit: Some changes to a few Ancient era tech costs
Edit: Lots of wonders have been marked as doubling the (un)happiness caused by slave markets.
Edit: Changed 'not required' icon in the Tech Advisor screens.
Edit: Encyclopedia now goes obsolete with the discovery of Psychology
Edit: Mass Production no longer requires Compulsory Education.
Edit: Egalitarianism is no longer a required tech.
Edit: Economics no longer doubles the effect of wealth.
Added: Shopping Mall improvement. Increases Luxury Trade, available with Mass Media.
Edit: Skyscrapers now available with City Planning (was Steel)
Edit: Feudalism no longer enables communication trading - that option is now available with Electricity.
Added: New SpecOps flavor units - Russian Spetznaz and American Delta Force
Edit: Transport unit defense lowered from 15 to 4
Edit: Spitfire is now the English fighter flavor unit, and Mustang the American, not vice versa.
Edit: You can now build roads from the start of the game.
Edit: Cost of Planting Forest reduced from base 32 to 24
Edit: Cost of Clearing Forest reduced from base 32 to 12
Edit: Cost of Clearing Jungle reduced from base 32 to 24
Edit: Rushing under Republic now costs Population instead of Gold.
Edit: You'll get slightly fewer free units under Fundamentalism and Theocracy. Support cost also increased to 3
Edit: Constitutional Monarchy and Federal Republic now provides free support for more units.
Edit: Social Democracy no longer requires maintenance for Improvements, but adversely provides very few free units.
Added: New Improvement: Collective Farm, available under Communist Government, Increases Prod. by 25%
Added: New Improvement: Corporate Offices, available under Federal Republic, Increases Tax by 50%
Added: New Improvement: Department Store, available under Social Democracy, Increases Lux by 50%
Added: New Improvement: Office of Internal Security, available under Facism, reduces corruption.
Added: New Improvement: War Monument, available under Constitutional Monarchy, reduces war weariness
Edit: Pottery, City Planning and Theory of Relativity are no longer marked as non-required techs.
Edit: Refrigeration is no longer a required tech.
Edit: Minimum research time set to 1 turn.
Edit: Cities required to support an army reduced to 1.
Edit: Mining mountains now makes them yield 6 shields instead of 5.
Edit: Crop Rotation is now a required tech, and should be slightly more appealing to the AI.
Edit: Tanks, Armors, Mech Infantry, Modern Armors and Radar Artillery are now transportable, but at the same time made unable to cross jungle and mountains.
Edit: Oasis no longer appear on Flood Plains.
Edit: Truck unit removed
Added: Death animation for Long Ship unit (thanks Aaglo)
Added: Adventurer Sounds updated and fixed (thanks Vuldacon)
Fixed: Lots of Building Icons, thanks to Pdescobars Purple Dot Removal Team :-D
Fixed: A lot of 'pink blobs' on icons for Improvements and Resources (thnx to Stainz @ CDG)
Special Thanks to Shammy for updating the SuperSonic Bomber (Strategic Bomber unit) animations for us

Fixed: All bugs ..... yeah, right! ;-)