Bump to v2.1.1

Author: barclayadam

appveyor.yml

@@ -7,7 +7,7 @@
 #   - Section names should be unique on each level.
 
 # Don't edit manually! Use `build.bat version` command instead!
-version: 2.1.0-build-0{build}
+version: 2.1.1-build-0{build}
 
 #---------------------------------#
 #    environment configuration    #

src/SharedAssemblyInfo.cs

@@ -10,4 +10,4 @@
 [assembly: CLSCompliant(false)]
 
 // Don't edit manually! Use `build.bat version` command instead!
-[assembly: AssemblyVersion("2.1.0")]
+[assembly: AssemblyVersion("2.1.1")]