fix(value): say that we can convert number to g(u)int64 (#301)
fix(value): say that we can convert number to g(u)int64 (#301)

We already has support for it in V8ToGValue() and vice versa, so it's a
bug that CanConvertV8ToGValue() says that we cannot.
romgrk/node-gtk,romgrk/node-gtk,romgrk/node-gtk,romgrk/node-gtk,romgrk/node-gtk