Bump gem ref

Gemfile

@@ -2,5 +2,5 @@ source "https://rubygems.org"
 
 ruby '2.3.1'
 
-gem 'uk_planning_scraper', :git => 'https://github.com/adrianshort/uk_planning_scraper/', :ref => '0a6736b'
+gem 'uk_planning_scraper', :git => 'https://github.com/adrianshort/uk_planning_scraper/', :ref => '5e166c3'
 gem 'scraperwiki', :git => 'https://github.com/openaustralia/scraperwiki-ruby/', :branch => 'morph_defaults'

Gemfile.lock

@@ -1,7 +1,7 @@
 GIT
   remote: https://github.com/adrianshort/uk_planning_scraper/
-  revision: 0a6736b9eea72805526f3380f74a9cce0d6386b2
-  ref: 0a6736b
+  revision: 5e166c3d3491ee7819fc9f401d57d44763915efc
+  ref: 5e166c3
   specs:
     uk_planning_scraper (0.1.1)
       http