use cococapods 1.8.0.beta.1

to fix twitter url validation broken in 1.7.5
see https://travis-ci.org/paulz/PerspectiveTransform/jobs/568499232#L856

Gemfile

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
-gem 'cocoapods'     # manage xcode project dependecies
+gem 'cocoapods',    # manage xcode project dependecies
+'~>1.8.0.beta'      # to include fix for lib lint failing on twitter url for 1.7.5, see https://github.com/CocoaPods/Cocoapods/pull/9053
 gem 'xcpretty'      # to simulate travis output
 gem 'xcpretty-travis-formatter'
 gem 'travis'        # to debug builds, see https://docs.travis-ci.com/user/running-build-in-debug-mode/

Gemfile.lock

@@ -8,13 +8,16 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.4.0)
+    algoliasearch (1.26.1)
+      httpclient (~> 2.8, >= 2.8.3)
+      json (>= 1.5.1)
     atomos (0.1.3)
     backports (3.15.0)
     claide (1.0.3)
-    cocoapods (1.7.5)
+    cocoapods (1.8.0.beta.1)
       activesupport (>= 4.0.2, < 5)
       claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.7.5)
+      cocoapods-core (= 1.8.0.beta.1)
       cocoapods-deintegrate (>= 1.0.3, < 2.0)
       cocoapods-downloader (>= 1.2.2, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
@@ -29,9 +32,10 @@ GEM
       molinillo (~> 0.6.6)
       nap (~> 1.0)
       ruby-macho (~> 1.4)
-      xcodeproj (>= 1.10.0, < 2.0)
-    cocoapods-core (1.7.5)
+      xcodeproj (>= 1.11.1, < 2.0)
+    cocoapods-core (1.8.0.beta.1)
       activesupport (>= 4.0.2, < 6)
+      algoliasearch (~> 1.0)
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
     cocoapods-deintegrate (1.0.4)
@@ -65,6 +69,7 @@ GEM
       net-http-pipeline
     gh_inspector (1.1.3)
     highline (1.7.10)
+    httpclient (2.8.3)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     json (2.2.0)
@@ -114,7 +119,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  cocoapods
+  cocoapods (~> 1.8.0.beta)
   travis
   xcpretty
   xcpretty-travis-formatter