Update to fourflusher 2

Gemfile.lock

@@ -107,7 +107,7 @@ PATH
       cocoapods-try (>= 1.1.0, < 2.0)
       colored (~> 1.2)
       escape (~> 0.0.4)
-      fourflusher (~> 1.0.1)
+      fourflusher (~> 2.0)
       gh_inspector (~> 1.0)
       molinillo (~> 0.5.1)
       nap (~> 1.0)
@@ -161,7 +161,7 @@ GEM
     faraday-http-cache (1.3.0)
       faraday (~> 0.8)
     ffi (1.9.6)
-    fourflusher (1.0.1)
+    fourflusher (2.0.0)
     fuzzy_match (2.0.4)
     gh_inspector (1.0.2)
     git (1.3.0)

cocoapods.gemspec

@@ -44,7 +44,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'activesupport', '>= 4.0.2', '< 5'
   s.add_runtime_dependency 'colored',       '~> 1.2'
   s.add_runtime_dependency 'escape',        '~> 0.0.4'
-  s.add_runtime_dependency 'fourflusher',   '~> 1.0.1'
+  s.add_runtime_dependency 'fourflusher',   '~> 2.0'
   s.add_runtime_dependency 'gh_inspector',  '~> 1.0'
   s.add_runtime_dependency 'nap',           '~> 1.0'