Replacing core allocation stuff, still need to rewrite map and token

structures

core_compiler.h

@@ -187,7 +187,7 @@ struct Parse_Ctx:Lexer{
 };
 
 function void init_type();
-function void lex_init(Allocator *token_string_arena, Allocator *map_allocator, Lexer *l);
+function void lex_init(Arena *token_string_arena, Arena *map_allocator, Lexer *l);
 function String compile_to_c_code();
 function Ast_Module *ast_module(Token *pos, Intern_String filename);
 function void insert_builtin_types_into_scope(Ast_Scope *p);