RestSchemaValidator module

# RestSchemaValidator Module Introduction

The RestSchemaValidator module provides an abstract REST schema validation API to Qore.

Primary classes provided by this module:

- AbstractRestSchemaValidator
- NullRestSchemaValidator

# RestSchemaValidator Module Release Notes

## RestSchemaValidator v1.0.2

- fixed the null validator to handle binary message bodies; fixed issues with `"text"` serialization with binary message bodies (issue 2816)

## RestSchemaValidator v1.0.1

- updated docs for AbstractRestSchemaValidator::parseRequest() to reflect how validation exceptions should be raised for proper error reporting (issue 2344)
- fixed handling of messages with non-object (i.e. non-hash) bodies (issue 2366)

## RestSchemaValidator v1.0

- initial release of the RestSchemaValidator module