Changelog:
=========
- Add arguments validation for schemas and validation methods
- Add SchemaSettings dataclass for storing read-only settings for schema instances and for managing package default settings
- Add block argument to XMLResource class
- Add MAX_SCHEMA_SOURCES package limit
- Add MAX_XML_ELEMENTS package limit
- Reduce MAX_XML_DEPTH limit to 1000 and apply it to all XMLResource instances
- Fix for substitute match in case of unexpected child
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
