dont pull in tests (#80)

Author: dosullivan557

Diff for: package.json

@@ -1,6 +1,6 @@
 {
   "name": "xml-encryption",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "devDependencies": {
     "mocha": "^7.1.2",
     "should": "^11.2.1",
@@ -25,6 +25,7 @@
     "xmldom": "~0.1.15",
     "xpath": "0.0.27"
   },
+  "files": ["lib", "package-lock.json"],
   "scripts": {
     "test": "mocha"
   },