v1.7.0
Updated version to 1.7.0 in `package.json`, glob `*.cpp` files into the NPM package. Print both V8 and v8pp versions in the test runner if `--version` command-line option was supplied.
Updated version to 1.7.0 in `package.json`, glob `*.cpp` files into the NPM package. Print both V8 and v8pp versions in the test runner if `--version` command-line option was supplied.