Add 6 Statement::bind() overrides using size_t for blobs

[SRombauts]

Fix #430 for a better support of standard containers

Also add a couple of tests (not covering all variants)

[SRombauts]

It's not a "real-life issue" since SQLiteCpp can only bind a blob with a size in int. I created a PR nonetheless, but I'll take the time to think about it twice; it might be better in fact to NOT try to hide that API and let the developer know