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New version 1.74, 2018-12-07

The following functions are now about 2-3 times as fast as before:

• First/NextPartitionK()
• First/NextPartitionT()

New version 1.75, 2018-12-27

License changed from Public Domain to MIT License.
Many thanks to Sicro for helpful advice!

New version 1.76, 2019-08-11

Fixed:

• internal sorting function did not work when using #PB_Sort_NoCase

Changed:

• internal sorting function simplified and made faster
• cosmetic and other minor changes

New version 1.77, 2019-10-27

Changed

• Renamed public function FromArrayS() to FromArray()
• Renamed public function PartitionToStringList() to PartitionToList()
• Small internal changes
• Added some comments
• Demo code improved

New

• Public function IsSet()
• Public function IsDisjoint()

New version 1.78, 2021-03-08

Changed

• Small internal changes
• Added/changed some comments

New

• Public function Product():
  generates the Cartesian product of two or or more sets
• Demo program for calculating possible coalitions in a parliament

New version 1.80, 2021-03-27

Changed

• Changed order of parameters in functions FromString(), FromList(), FromArray(), FromArrayI(), PartitionFromString(), FromPartition().
  When calling these functions from old code, you'll get an appropriate error message. I'm sorry for any inconveniences.
• Improved function Product().
• Improved error checking in functions Union(), Intersection(), Difference(), SymmetricDifference().
• Improved demo program "set_demo_coalitions.pb".
• Improved some comments.
• Some cosmetic changes.

New

• Function Create(), for conveniently creating a set of consecutive whole numbers.
• Demo program "set_demo_product.pb".

New version 1.81, 2021-03-28

Fixed

• Bug in function NextPartitionK() that could cause a crash