Log Message:
Update to 0.8.4

Changes since 0.8.3:

    * gcc 3.3 warning fix (warnings caused by <ggi/gg.h>:194 fixed)
    * hotfixes for libgii 0.8.3
    * fixed memory leak on unloading modules under Darwin
    * win32 (cygwin/mingw) compile fixes from Albert Graef
    * cygwin build fixes