Old pre-v0.15 changelogs (very likely stale and incomplete)

113.24.00

• Switch to PPX.

112.24.00

Update references to Core.Std.Dequeue to refer to Core.Std.Deque

111.25.00

• refactoring and more unit tests

111.21.00

• Added plain differ Plain_diff and use it in some cases for improved results.
• Move modules under Patience_diff_lib.Std.

111.17.00

• Exposed Patience_diff.matches.

111.13.00

• Moved Patience_diff out of Core_extended into its own library depending only on Core_kernel.