Add $$VERSION and $$PRERELEASE (#2751)

* Add 64507VERSION and 64507PRERELEASE

* Migrate to compiler define method

---------

Co-authored-by: Christoffer Lerno <christoffer@aegik.com>

releasenotes.md

@@ -14,6 +14,7 @@
 - Generics using `@generic` rather than module based.
 - Reduced memory usage for backtraces on Linux.
 - On win32 utf-8 console output is now enabled by default in compiled programs
+- Add `$$VERSION` and `$$PRERELEASE` compile time constants.
 
 ### Fixes
 - Regression with npot vector in struct triggering an assert #2219.

src/compiler/compiler.c

@@ -1522,6 +1522,9 @@ void compile()
     setup_int_define("LLVM_VERSION", 0, type_int);
 #endif
 
+	setup_string_define("VERSION", COMPILER_VERSION);
+	setup_bool_define("PRERELEASE", PRERELEASE);
+
     setup_bool_define("BENCHMARKING", compiler.build.benchmarking);
 	setup_int_define("JMP_BUF_SIZE", jump_buffer_size(), type_int);
 	setup_bool_define("TESTING", compiler.build.testing);