fix: coveralls

Gemfile

@@ -9,7 +9,7 @@ gemspec
 group :development, :test do
   gem 'addressable', '~> 2.8', '>= 2.8.0'
   gem 'awesome_print', '~> 1.8', '>= 1.8.0'
-  gem 'coveralls', '~> 0.8', '>= 0.8.21'
+  gem 'coveralls_reborn', '~> 0.28', '>= 0.28.0'
   gem 'ffi', '~> 1.16', '> 1.9.18'
   gem 'guard-yard', '~> 2.2', '>= 2.2.0'
   gem 'listen', '~> 3.1', '>= 3.5.0'

Gemfile.lock

@@ -31,12 +31,11 @@ GEM
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
     connection_pool (2.4.1)
-    coveralls (0.8.23)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.16.1)
-      term-ansicolor (~> 1.3)
-      thor (>= 0.19.4, < 2.0)
-      tins (~> 1.6)
+    coveralls_reborn (0.28.0)
+      simplecov (~> 0.22.0)
+      term-ansicolor (~> 1.7)
+      thor (~> 1.2)
+      tins (~> 1.32)
     crack (0.4.5)
       rexml
     diff-lcs (1.5.0)
@@ -142,11 +141,12 @@ GEM
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     shellany (0.0.1)
-    simplecov (0.16.1)
+    simplecov (0.22.0)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
     stringio (3.1.0)
     sync (0.5.0)
     term-ansicolor (1.7.1)
@@ -173,7 +173,7 @@ DEPENDENCIES
   addressable (~> 2.8, >= 2.8.0)
   aemo!
   awesome_print (~> 1.8, >= 1.8.0)
-  coveralls (~> 0.8, >= 0.8.21)
+  coveralls_reborn (~> 0.28, >= 0.28.0)
   ffi (~> 1.16, > 1.9.18)
   guard-yard (~> 2.2, >= 2.2.0)
   listen (~> 3.1, >= 3.5.0)