Explain errno handling a bit further

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>
Add ‘call-with-errno’

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>
Use ‘call-with-errno’ in (termios with-exceptions)

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>
Switch licence to 2-clause BSD

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>
Add CHANGES file to track user-visible changes

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>
Update README

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>
Use Scheme to implement installation routine

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>
Release version 0.3 of guile-termios

Signed-off-by: Frank Terbeck <ft@bewatermyfriend.org>