Use chained scrape parameters

Gemfile

@@ -7,4 +7,4 @@ source "https://rubygems.org"
 ruby "2.3.1"
 
 gem "scraperwiki", git: "https://github.com/openaustralia/scraperwiki-ruby.git", branch: "morph_defaults"
-gem "uk_planning_scraper", git: "https://github.com/adrianshort/uk_planning_scraper.git"
+gem "uk_planning_scraper", git: "https://github.com/adrianshort/uk_planning_scraper.git", ref: "cad5fcd"

Gemfile.lock

@@ -1,8 +1,9 @@
 GIT
   remote: https://github.com/adrianshort/uk_planning_scraper.git
-  revision: a342ff53bd3c10e5436335b143318271b5a2b36a
+  revision: cad5fcd2b98260572dccf0a4cf1ddfeabc469a43
+  ref: cad5fcd
   specs:
-    uk_planning_scraper (0.2.0)
+    uk_planning_scraper (0.4.0)
       http
       mechanize (~> 2.7)
 
@@ -23,7 +24,7 @@ GEM
     connection_pool (2.2.2)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    http (3.3.0)
+    http (4.0.0)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
       http-form_data (~> 2.0)
@@ -49,7 +50,7 @@ GEM
     net-http-digest_auth (1.4.1)
     net-http-persistent (3.0.0)
       connection_pool (~> 2.2)
-    nokogiri (1.8.4)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     ntlm-http (0.1.1)
     public_suffix (3.0.3)

scraper.rb

@@ -1,5 +1,6 @@
 require 'uk_planning_scraper'
 require 'scraperwiki'
 
-apps = UKPlanningScraper::Authority.named(ENV['MORPH_AUTHORITY_NAME']).scrape({ validated_days: ENV['MORPH_DAYS'].to_i })
+apps = UKPlanningScraper::Authority.named(ENV['MORPH_AUTHORITY_NAME']). \
+  validated_days(ENV['MORPH_DAYS'].to_i).scrape
 ScraperWiki.save_sqlite([:authority_name, :council_reference], apps)