Update version to 4.2.0 (#6)

Author: steve-sullivan

lib/berkeley_library/location/module_info.rb

@@ -7,7 +7,7 @@ module ModuleInfo
       SUMMARY = 'Locaton-related utilities for the UC Berkeley Library'.freeze
       DESCRIPTION = 'A collection of location-related utilities for the UC Berkeley Library'.freeze
       LICENSE = 'MIT'.freeze
-      VERSION = '4.1.0'.freeze
+      VERSION = '4.2.0'.freeze
       HOMEPAGE = 'https://github.com/BerkeleyLibrary/location'.freeze
     end
   end