Changes since 0.4.0:
*src/command: applied patch from Eric Benoit <eric@ecks.org>, which
adds the "CSI 21 t" control sequence, for title handling.
*command.c: fixed keypad Home and down keys being mixed up. Added code to
allow scrolling up/down for just one line (shift+arrow)
contributed by djerome)
*command.c: Fixed possible buffer overflow when changing display name.
*ximage_utils.c: updated shading code for better speed
*screen.c: applyed reverse video cursor patch
*ximage_utils.c: applyed Ren<E9> Scharfe 's patch for better shading approach.
And bug fixes.
