Fix thousands separators
Fix radix localization
Get complex numbers working
Don't allow fixed variables to be written to, e.g. ans, function names
Store menu has new variable and delete buttons
Show numbers in scientific form if too big
Make < and > shortcut keys work for bitshifts
Migrate registers from old versions of gcalctool
Support [x] and {x} notation for rounding and getting fractional result
Make gcalctool a singleton with multiple windows
Automatically store undo history and variables on quit
Add currency conversion label below financial display
Make bit editor look better
Check a11y state of new code
