chore: update submodule

Plamen5kov · Plamen5kov · commit ae61e5a42254 · 2018-03-07T14:52:00.000+02:00
diff --git a/lib/common b/lib/common
@@ -1 +1 @@
-Subproject commit 3ec1859904663a765ae075754a70c00b1d7230e0
+Subproject commit a8b2bc8981f37bbe36a7a08507b0cd980913c091
