Log Message:
Update to 1.0.3:

04202008 - Upped version to 1.0.3 (brown paper bag release for soname bug).
04192008 - Apparently MICRO_VERSION in configure.in doesn't do what I think;
           reset for binary compatibility (thanks, Hans!).
04182008 - Include <math.h> in shn.c.

Bump API depends.