main.c: remake cli tool, helper.c: add strcmp, use builtins in some paths

Co-authored-by: tema5002 <tema5002@tuta.io>
Reviewed-on: #4
Co-committed-by: tema5002 <tema5002@tuta.io>

shitass.lua

@@ -0,0 +1 @@
+local t <close> = {6; 2}