Bump version to retrigger build

Author: ViViDboarder

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name="py_nextbusnext",
-    version="2.1.0",
+    version="2.1.1",
     author="ViViDboarder",
     description="Minimalistic Python client for the NextBus public API for real-time transit "
     "arrival data",