Looser requirements on Faraday

Looked at the releases and can't find any obvious breaking changes the
specs might miss https://github.com/lostisland/faraday/releases

Close #70

Author: jage

twingly-search-api-ruby.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "faraday",  ['>= 0.9.2', '< 0.10']
+  spec.add_dependency "faraday",  [">= 0.9.2", "< 1.0"]
   spec.add_dependency "nokogiri", "~> 1.0"
   spec.add_development_dependency "rspec", "~> 3"
   spec.add_development_dependency "rspec-its", "~> 1"