Issue 54

[jwg4]

This fixes #54:

• [x] Having an argument with no default works for built-in JSON generation
• [ ] Having an argument with no default works for jsonify(generate())
• [ ] Having an argument with a default works for built-in JSON generation
• [ ] Having an argument with a default works for jsonify(generate())
• [ ] Check mixed arguments with defaults and without
• [ ] Add tests which would have found something broken like this
• [ ] Check all the stuff in the documentation for a sufficiently complex whole example

[jwg4]

should have been opened into jwg4 repo