Changelog:
* French translation (not fully complete yet)
* Return value in save() and add "name := value" as shortcut
* Integer factorization
* Interpret 0x[0-9,a-f] as hexadecimal number (do not require first digit
to be 0-9)
* Add "Engineering" display mode
* Several fixes to display of units and prefixes
* Show value for variables without title in expression completion
* New functions: cross(), heaviside(), rectangular(), triangular(), ramp()
kronecker(), sigmoid(), and logit()
* Use radius as argument for circumference()
* Add optional upper and lower limit arguments to integrate() for definite
integrals
* Fix precision in logn()
* Ability to set shortcuts for meta modes (KDE)
* Make separate options for "Sort Minus Last" and "Negative Exponents" in
numerical display menu
* Add "Edit Expression", "Edit Result", and "Insert Result Variable" to
history context menu (KDE)
* Global shortcut for show/hide (KDE)
* Use localized comma for insert matrix/vector
* Remove use of libgnomeui completely and add --with-libgnome configure
option
* Fix parsing of "x!)!"
* Use Julian year for light-year value
* Add several accelerator keys (GTK+)
* Connect "Exp" button Exp RPN operation and add Ctrl+Shift+E shortcut
* Fixes for old KDE and Qt versions
* New command line options for qalc: -terse (-t), -nodefs (-n),
-nocurrencies, -nodatasets, -nofunctions, -nounits, -novariables
