[Gemspec] Bump Xcodeproj to `'>= 1.1.0', '< 2.0'`

Gemfile.lock

 GIT
   remote: https://github.com/CocoaPods/CLAide.git
-  revision: e76d82aadde8f36b6b4511b869ea800f4118b5d1
+  revision: 47857d569b7121c354ad15c426be04bc90c5f7c7
   branch: master
   specs:
     claide (1.0.0)
 
 GIT
   remote: https://github.com/CocoaPods/Core.git
-  revision: 4398d6f71991e849d5c11f95f6035de5d3cfe812
+  revision: 37689bb1ae72df10882d38e9cf4f6d03cbb45ccd
   branch: master
   specs:
     cocoapods-core (1.0.0)
@@ -24,10 +24,10 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/Xcodeproj.git
-  revision: cd03f259381c2b6317e60f088adff6b6e2b01d68
+  revision: 55af40b1fee835039947db9635c8b098bd03fe90
   branch: master
   specs:
-    xcodeproj (1.0.0)
+    xcodeproj (1.1.0)
       activesupport (>= 3)
       claide (>= 1.0.0, < 2.0)
       colored (~> 1.2)
@@ -41,7 +41,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/cocoapods-downloader.git
-  revision: d544c070f4f50738fa75de4735a772bad39b63e7
+  revision: 272c56dbde497a48a7310098989ed25d0cc0bc6d
   branch: master
   specs:
     cocoapods-downloader (1.0.0)
@@ -70,7 +70,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/cocoapods-trunk.git
-  revision: 6ca50940b3848470fa590244ccd791fa847f01a4
+  revision: 837ae069b25b7d9149bcc6485694dbcd50f53847
   branch: master
   specs:
     cocoapods-trunk (1.0.0)
@@ -79,7 +79,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/cocoapods-try.git
-  revision: 170238bec86c3a2c40adcd1fff1c298849cf9506
+  revision: 590fb5aeeda3871861d2c4c3580eee65463a225f
   branch: master
   specs:
     cocoapods-try (1.0.0)
@@ -110,7 +110,7 @@ PATH
       fourflusher (~> 0.3.0)
       molinillo (~> 0.4.5)
       nap (~> 1.0)
-      xcodeproj (>= 1.0.0, < 2.0)
+      xcodeproj (>= 1.1.0, < 2.0)
 
 GEM
   remote: https://rubygems.org/
@@ -149,7 +149,7 @@ GEM
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.6)
-    fourflusher (0.3.0)
+    fourflusher (0.3.1)
     fuzzy_match (2.0.4)
     git (1.3.0)
     i18n (0.7.0)
@@ -170,7 +170,7 @@ GEM
       rb-kqueue (>= 0.2)
     metaclass (0.0.4)
     method_source (0.8.2)
-    minitest (5.8.4)
+    minitest (5.9.0)
     mocha (1.1.0)
       metaclass (~> 0.0.1)
     mocha-on-bacon (0.2.2)

cocoapods.gemspec

@@ -38,7 +38,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'cocoapods-trunk',       '>= 1.0.0', '< 2.0'
   s.add_runtime_dependency 'cocoapods-try',         '>= 1.0.0', '< 2.0'
   s.add_runtime_dependency 'molinillo',             '~> 0.4.5'
-  s.add_runtime_dependency 'xcodeproj',             '>= 1.0.0', '< 2.0'
+  s.add_runtime_dependency 'xcodeproj',             '>= 1.1.0', '< 2.0'
 
   s.add_runtime_dependency 'activesupport', '>= 4.0.2'
   s.add_runtime_dependency 'colored',       '~> 1.2'