Increment version number
Fix incorrect tokenization of negative numbers
Fix scrolling beyond end of screen
Fix incorrect tokenization of subtract operator
Fix bug allowing cursor to move beyond end of the current line
Fix Linux makefile debug flags
Fix Linux makefile deletion on make clean
Add Windows support (using PDCurses)
Move Linux makefile into linux folder
Change DOS memory model from Large to Medium
Add DOS support (using PDCurses)
Rename ncursesui.c to cursesui.c
Fix incorrect stack memory allocations
Fix memory leaks
Fix support for negative numbers
Improve makefile
Fix C90 compatibility

This will be important because Open Watcom supports very few C99
features. C90 support is essential for DOS compatibility.
Move ncurses UI code into separate sourcefile
Move string functions from main.c to strfun.c