Feature to reference current selector rules config

[gavinmcfarland]

It would be useful to be able to reference the matching class name in the current rule. Currently you have to define this manually which is normally ok, but when the class name has parameters and you need it to scope to that class name only, there is no way to do this (that I can tell).

Example:

{
        "type": "pattern",
        "id": "guttering",
        "name": "Guttering",
        "matcher": "Gt",
        "allowParamToValue": true,
        "styles": {
            "margin-right": "calc($0 - ($0 * 2))",
	    "margin-bottom": "calc($0 - ($0 * 2))"
        },
        "rules": {
            "$selector > *": {
                "margin-right": "$0",
                "margin-bottom": "$0"
            }
        }
 }

Would output:

.Gt\(20px\) {
  margin-right: calc(20px - (20px * 2));
  margin-bottom: calc(20px - (20px * 2));
}
.Gt\(20px\) > * {
  margin-right: 20px;
  margin-bottom: 20px;
}