Pushed some code at avalanche-development/swagger-validation-middleware.
- 59e9750 Forgot that swagger params already extracts values, no need to....
- b0d230a Adds generic requirement check.
- 7a5e0ee Adds checkRequired logic, w/ test.
- 0eaaf25 Changes structure of checks to worry about format, not type.
- 620b44a Updates unit tests to match new type strategy.
- d8f0125 Wraps up (most of) the rest of the type-based checker in tests.