This library handles registration of audience types.
MATCH_VBAD (0.5)
the "very bad" audience match multiplier.
MATCH_BAD (0.75)
the "bad" audience match multiplier.
MATCH_NORMAL (1)
the "normal" audience match multiplier.
MATCH_GOOD (1.05)
the "good" audience match multiplier.
MATCH_VGOOD (1.15)
the "very good" audience match multiplier.