changed do_line_truncate to do_toggle_truncate_lines
fixed define_kbd_macro string arguments mixup
added edit_find() to locate window with a given buffer
removed test kludge in term_flush()
various cosmetics.
added KEY_DEL=127 (formerly KEY_BACKSPACE)
added KEY_BS=8 C-H to handle control-h as backspace on some ttys
fixed KEY_F6 thru KEY_F12 (were off by one)
added strtokeys() to convert a string with key names to a key buffer
added define-kbd-macro() from key string
added execute-macro-keys() to execute commands from a key string
improved qe_key_process().
changed method to update shell cursor : tty_update_cursor disabled
shell_display_hook() used instead
greatly improved shell buffer behaviour, charset handling.
much improved tty input handling : support more key combinations and modes.
added missing charset declarations in qe.h
added borders_invalid and complete_refresh window flags
made C-L completely refresh display
moved window border display to separate function
changed edit_display() to allow complete redisplay even with popups
fixed window delete crash bugs by improving consistency with
edit_attach and edit_detach.
improved error context handling, removed error_printf.
make get_str() skip spaces before and after token.
simplified use of get_str(), removing space skipping.
simplified libqhtml/xmlparse.c and libqhtml/cssparse.c accordingly.
extend config file syntax :
support for 1 level if(0 or 1) { } blocks
report syntax errors
added local config files .qerc for project based settings
added TODOs
added support for home dir syntax in canonize_absolute_path().
