every reference to APCG in apc_cache.c removed
apc_serializer_t moved into apc.h|c
apc_serializer_t pointers in cache and contexts ( necessary to have both )
correction
update
fix comment 1 issue #2
fix comment 2 issue #2
some attempted fixups
fixes for issue #2
fixes for issue #2
fix issues #3 and #4
be sensible
corrections to headers/apc_cache.c in zts mode