update HISTORY.txt for v6.7

Merge to v6.7
This commit is contained in:
Matthew Flatt 2016-10-15 07:10:44 -06:00
parent 9011fe7d83
commit 8ccde1e5b3

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@ -1,3 +1,6 @@
Version 6.7, October 2016
Bug repairs and other changes noted in the documentation
Version 6.6, July 2016
Bug repairs and other changes noted in the documentation