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 => '9b01030'
+gem 'uk_planning_scraper', :git => 'https://github.com/adrianshort/uk_planning_scraper/', :ref => '8a070e1'
 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: 9b0103030c7fd629c71d102cfa3e31c7e795401e
-  ref: 9b01030
+  revision: 8a070e17732b3304e7e73a81cb7538795fe604c0
+  ref: 8a070e1
   specs:
     uk_planning_scraper (0.2.0)
       http