Upgraded all dependencies

Author: gurisko

package.json

@@ -15,13 +15,13 @@
   "author": "Matus Gura",
   "license": "MIT",
   "devDependencies": {
-    "@types/chai": "^3.5.2",
-    "@types/mocha": "^2.2.41",
-    "@types/node": "^7.0.14",
-    "chai": "^3.5.0",
-    "mocha": "^3.3.0",
+    "@types/chai": "^4.2.11",
+    "@types/mocha": "^7.0.2",
+    "@types/node": "^13.9.3",
+    "chai": "^4.2.0",
+    "mocha": "^7.1.1",
     "mocha-clean": "^1.0.0",
-    "shx": "^0.2.2",
+    "shx": "^0.3.2",
     "ts-node": "^8.0.2",
     "typescript": "^3.3.3"
   },

tests/mocha.opts

@@ -1,3 +1,3 @@
---compilers ts:ts-node/register
+--require ts-node/register
 --recursive
 --require mocha-clean