Merge remote-tracking branch 'origin/master' into beta

Author: pvdlg

package.json

@@ -21,9 +21,9 @@
   "devDependencies": {
     "ava": "^2.0.0",
     "codecov": "^3.0.0",
-    "nyc": "^14.0.0",
+    "nyc": "^15.0.0",
     "semantic-release": "^16.0.0-beta",
-    "sinon": "^7.1.1",
+    "sinon": "^8.0.0",
     "stream-buffers": "^3.0.2",
     "xo": "^0.25.0"
   },