Adds Black Bart and Blackbeard as leaders of the Republic of Pirates. Also adds the Flying Dutchman wonder unit.
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File credits
Blackbeard, Black Bart and Black Bart Background images by Ubisoft. Creative Commons attribution sharealike license. Blackbeard background uses "Pirate Cove" by Andy Walsh with permission. Credit to 2k and Firaxis for Civilization 6 and the CivFanatics forums for help with coding.