v0.1.8

Changelog

• 33f44fa add the class token, lexed it and test
• 342e94d add the hash, go and time
• 5d05bc2 feat: Add hash and os standard library modules, relocating the exit builtin from general to os.
• 626c2b4 feat: Add a new standard library module for string manipulation functions.
• e307027 feat: Introduce a math standard library module with common mathematical functions and constants, and register it in the evaluator.
• 34e433e feat: Introduce a new time standard library module with a Time object and related functions, and allow digits in identifiers.
• 01c6f43 feat: add and register the math standard library module
• 9849a33 update the .goreleaser file