v2.0.0-pre9 - Line Annotation, Ray Tracing Extension Support, and Sequence Parsing Improvement

• Renamed pragma, extension, custom, and include directive nodes from "statement" to "directive"
• Fix enter and exit method calls for directive nodes
• Introduce SourceLocation and copy it on clone
• Make #line annotated print types consistent (added simple-type)
• Added #line annotation, parsing and printing, added tests
• Added TransformationException that is thrown when something goes wrong when looking for the main method
• Added ParsingException that is thrown when something goes wrong during parsing (and lexing)
• Refactor grammar to parse sequence expressions sequentially and not recursively. This will avoid stack overflow exceptions when parsing very long sequence expressions.
• Added support for the Vulkan ray tracing extension GLSL_EXT_ray_tracing

Meta

• Bump action versions to fix deprecation warnings by @altrisi in #19

Full Changelog: v2.0.0-pre8...v2.0.0-pre9