Fix test failure regarding int->float conversion
Fix test failure regarding int->float conversion

Supply only small integers (< 1^23) to int->float conversion tests,
so they can roundtrip without error.

jonitis/msgpack-c,GamePad64/msgpack-c,GamePad64/msgpack-c,lvfeng1130/msgpack-c,soumith/msgpack-c,vashstorm/msgpack-c,soumith/msgpack-c,AALEKH/msgpack-c,jpetso/msgpack-c,jen20/msgpack-c,kern/msgpack-c,lvfeng1130/msgpack-c,juanrubio/msgpack-c,juanrubio/msgpack-c,AALEKH/msgpack-c,GamePad64/msgpack-c,soumith/msgpack-c,jpetso/msgpack-c,vashstorm/msgpack-c,kern/msgpack-c,jpetso/msgpack-c,soumith/msgpack-c,juanrubio/msgpack-c,kern/msgpack-c,jonitis/msgpack-c,lvfeng1130/msgpack-c,jen20/msgpack-c,vashstorm/msgpack-c,AALEKH/msgpack-c,lvfeng1130/msgpack-c,jen20/msgpack-c,juanrubio/msgpack-c,jpetso/msgpack-c,vashstorm/msgpack-c,kern/msgpack-c,jonitis/msgpack-c,soumith/msgpack-c,jen20/msgpack-c,GamePad64/msgpack-c,jonitis/msgpack-c,vashstorm/msgpack-c,jonitis/msgpack-c,jpetso/msgpack-c,AALEKH/msgpack-c,GamePad64/msgpack-c,kern/msgpack-c,jen20/msgpack-c,juanrubio/msgpack-c,AALEKH/msgpack-c,lvfeng1130/msgpack-c