Meta tweaks

package.json

@@ -49,7 +49,6 @@
 	"devDependencies": {
 		"@sindresorhus/is": "^0.9.0",
 		"@types/dot-prop": "^4.2.0",
-		"@types/highlight.js": "^9.12.2",
 		"@types/lodash.isequal": "^4.5.2",
 		"@types/node": "^10.0.0",
 		"@types/vali-date": "^1.0.0",
@@ -63,7 +62,7 @@
 		"lodash.isequal": "^4.5.0",
 		"nyc": "^11.2.1",
 		"tslint": "^5.9.1",
-		"tslint-xo": "^0.7.0",
+		"tslint-xo": "^0.8.0",
 		"typedoc": "^0.11.1",
 		"typescript": "^2.8.1",
 		"vali-date": "^1.0.0",