+Repository head::
+ Fix for enemy dispersion on torpedo hits.
+ Re-conform to the documentation by removing the .py estension from sst.
+ Fancy-mode coordinates can have the Y as a letter, e,g. "c4" = "3 - 4".
+
+2.7: 2021-09-20::
+ Ubuntu has abolished /usr/bin/python, change shebang to python3.
+
+2.6: 2021-04-16::
+ Fixed a longstanding bug in the chart display.
+ Minor port fixes for recent Python 23 versions.
+ Test suite is TAPified.
+
+2.5: 2019-04-24::
+ Now runs identically under Python 2 and Python 3.
+
+2.4: 2019-04-22::
+ Fixes for deathray, formatting, double-counting in score logic.
+
+2.3: 2018-08-12::
+ Crash bug fix when docking with no starbase in sector.
+
+2.2: 2017-03-01::