Merge pull request #3 from Crowd9/rails6-support

Rails6 support

Author: kaykay-ng

url_shortener.gemspec

@@ -50,14 +50,14 @@ Gem::Specification.new do |s|
     s.specification_version = 2
 
     if Gem::Version.new(Gem::RubyGemsVersion) >= Gem::Version.new('1.2.0') then
-      s.add_runtime_dependency(%q<httparty>, ["~> 0.16.2"])
-      s.add_runtime_dependency(%q<hashie>, ["~> 3.0"])
+      s.add_runtime_dependency(%q<httparty>, ["~> 0.21.0"])
+      s.add_runtime_dependency(%q<hashie>, [">= 3.0", "< 5.0"])
     else
-      s.add_dependency(%q<httparty>, ["~> 0.16.2"])
-      s.add_dependency(%q<hashie>, ["~> 3.0"])
+      s.add_dependency(%q<httparty>, ["~> 0.21.0"])
+      s.add_dependency(%q<hashie>, [">= 3.0", "< 5.0"])
     end
   else
     s.add_dependency(%q<httparty>, ["~> 0.21.0"])
-    s.add_dependency(%q<hashie>, ["~> 3.0"])
+    s.add_dependency(%q<hashie>, [">= 3.0", "< 5.0"])
   end
 end