+200410291000 1.11.2
+ - global redraw() to queue a stack/screen refresh
+200410282330 1.11.1
+ - postaction hook after running commands
+ - give command name as parameter to pre/postaction hooks
+200410152225 1.11.0
+ - modules filenames can contain class; only loads first of any class
+
+200410151900 1.10.7
+ - main changelog moved to seperate CHANGES file
+ - user variables to module; our %var removed
+ - redraw inside main loop; automatically called after error
+ - when showing values with exponent, also adjust fraction
+200410150015 1.10.6
+ - invalid commands shown as strings instead of character codes
+200410150000 1.10.5
+ - only first module run of multiple with the same name
+ - preaction hook; undo functionality moved to module
+200410142145 1.10.4
+ - display welcome at startup, also showing version and modules
+ - allow modules to not load but without error
+200410132200 1.10.3
+ - digits added/removed to/from integer part in correct number base
+200410130020 1.10.2
+ - altered stack not redrawn after undo
+200410120245 1.10.1
+ - fixed backspace with undef fraction
+
+200410120213 1.09.6
+ - $val{frac} default undefined instead of 0
+200410120150 1.09.5
+ - normal drop command (alt+bs) removes input/stack value at once
+ - backspace becomes "back" (soft drop, like old "drop")
+200410112205 1.09.4
+ - unit conversion out of main program (entirely into unitconv.pm)
+200410112150 1.09.3
+ - all menu related functions moved to menu.pm
+200410112130 1.09.2
+ - hooks allowing for extra code at reload, showentry, and precmd
+200409291215 1.09.1
+ - number of menu items depends on screen width
+200409270057 1.09.0
+ - all key aliases moved to module DCT::Bindings
+
+200409262210 1.08
+ - stack command (cursor up) cycles through values in stack
+ - fixed %
+ - second undo redoes
+ - negative numbers displayed correctly in different bases
+ - additional digits were not correctly applied to negative values
+
+200409242350 1.07
+ - new commands: sr/sr, shortkeys ( )
+ - enter on no value repeats last val on stack
+ - action undo: last stack alteration can be undone
+ - numeric modifiers hardcoded instead of in action hash
+
+200409152310 1.06
+ - x and v shortkeys
+ - new commands: a?(sin|cos|tan)h, inv, !, rand
+ - menu contents in module
+
+200409101945 1.05
+ - q for sq(rt) (formerly quit, now only ^D/quit)
+ - some unit conversion (mostly lengths) from menu
+ - command backspacing
+ - error on insufficient arguments for command
+ - hp48-like drop (backspace but not editing value)
+ 200409092200
+ - overhaul in stack handling
+
+200408041445 1.04
+ - ^L redraws screen
+ - manual command input using capital letters
+ - error dialog (don't mess up screen)
+
+20040625 1.03
+ - can enter fractions (.) and negative values (_)
+ - values displayable in arbitrary base
+
+20040620 1.02
+ - backspace to undo last digit
+ - function keys select command/submenu from (sub)menu
+
+20040618 1.01
+ - start (curses, some basic commands)
+