This file records noteworthy changes.
+0.9.2 (31 July 2001)
+* Epsilon tensor is more functional.
+* simplify_indexed() is better at detecting expressions that vanish for
+ symmetry reasons.
+* Several little bugfixes and consistency enhancements.
+
0.9.1 (27 June 2001)
* Ctors of class numeric are not explicit any more. All built-in callers for
pseudofunctions are now templated and default to ex arguments which relaxes