Log Message:
Changes 0.9.2:
- Enhanced factorization, with square free factorization of rational \ 
multivariate polynomials
- New simplification using the enhanced factorization
- Much more efficient determinant and matrix inverse calculation
- Greatly enhanced and reworked solving of equations and inequalities
- More efficient evaluation avoiding recalculations
- Generally enhanced and more correct algebraic functionality
- Faster calculation of powers with large exponent and base close to one
- Option to automatically simplify or factorize
- Option to warn about denominators assumed non-zero
- Fix negative exponents with lower-case e
- Fix fetching of exchange rates with gnome-vfs < 2.10
- Polynomial functions: coeff(), lcoeff(), pcontent(), degree(), etc.
- Fix ln(e^x)
- Display "x < 3 && x > 1" as "1 < x \ 
< 3"
- Display "&&" and "||" as "and" \ 
and "or" by default
- Fix display of fractions in "Decimal (Try Exact)" mode
- Compile without errors or warnings with -pedantic and -Wextra
- Unicode fixes
- ...and many more minor fixes and enhancements (and probably some new bugs)...