update gem version

proxy_manager.gemspec

@@ -3,22 +3,20 @@ $:.push File.expand_path("../lib", __FILE__)
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
   s.name        = "proxy_manager"
-  s.version     = '0.0.9'
+  s.version     = '1.0.0'
   s.authors     = ["Kirill Platonov"]
   s.licenses    = ['MIT']
   s.email       = ["[email protected]"]
   s.homepage    = "https://github.com/bloodyhistory/proxy_manager"
-  s.summary     = "Ruby proxy manager for easy usage proxy in parser/web bots."
+  s.summary     = "This is gem for easy usage proxy in your parsers/web-bots."
   s.description = <<-DESCRIPTION
-    This gem is for easy usage proxy in your parsers/web-bots. It will manage
-    your proxy list and check availability.
+    This is gem for easy usage proxy in your parsers/web-bots.
+    It will manage your proxy list and check availability if you need it.
   DESCRIPTION
 
   s.files       = `git ls-files`.split("\n") - %w[.gitignore .travis.yml]
   s.test_files = Dir["spec/**/*"]
 
-  s.add_dependency 'net-ping', '~> 1.7', '>= 1.7.2'
-
   s.add_development_dependency 'turn', '~> 0.9', '>= 0.9.7'
   s.add_development_dependency 'rspec', '~> 2.14', '>= 2.14.1'
   s.add_development_dependency 'guard-rspec', '~> 4.2', '>= 4.2.8'