new in 0.5
==========
 * toggle button for volume correction (needs slightly more CPU)
 * toggle button for smaller overlap (less echo for fast songs)
 * job architecture for seperate stretch/scale jobs in sndstretch.c
   (transparent to plugin user)

new in 0.4
==========
 * no 0.5s noise when passing 0 with pitch slider
 * content of old buffer is copied to new one and position preserved, when 
   size changed => less noise when changing speed/pitch
 * bug fixed: about box could not be opened due to wrong GdkWindow in 
              gdk_pixmap_create_from_xpm_d().

new in 0.3
==========
 * now implemented as effect-plugin sndstretch_xmms_eff.so
                  and output-plugin sndstretch_xmms_out.so
 * sndstretch_config() not any more called from sndstretch_init(), because
   it's loaded even if it's not activated.

new in 0.2
==========
 * bugfix for speed=0, small pitch setting:
     snr_o of sndscale now does not exceed 2^15
 * sndscale slightly more optimized
 * improved accuracy of int divider from 2^15 to 2^16 
     should improve quality a bit (hehe ;-)
 * bugfix for speed=0, small pitch setting:
     snr_o of sndscale now does not exceed 2^16
 * added scale slider
 * added 2 icons (sndstretch_xmms.xpm, FB_logo.xpm)
 * added about button into configwin-icon
 * pepped up about box a bit
 