Update compiler.js

new RegExp(constant.name + '(\\\(.*\\\))?','g') -> Fix for constants with arguments:
//input
@-hitch-const -div div:nth-child(-hitch-args);
-div(1) {
	color: blue;
}
//output before this fix - duplicates arguments (1) (1)
div:nth-child(1) (1) {...}
//output after this fix
div:nth-child(1) {...}