Gemspec cleanups

rbnacl-libsodium.gemspec

@@ -6,9 +6,9 @@ require 'rbnacl/libsodium/version'
 Gem::Specification.new do |spec|
   spec.name          = "rbnacl-libsodium"
   spec.version       = RbNaCl::Libsodium::VERSION
-  spec.authors       = ["Artiom Di"]
+  spec.authors       = ["Artiom Di", "Tony Arcieri"]
   spec.date          = Time.now.strftime('%Y-%m-%d')
-  spec.email         = ["kron82@gmail.com"]
+  spec.email         = ["kron82@gmail.com", "bascule@gmail.com"]
   spec.summary       = %q{rbnacl with bundled libsodium}
   spec.homepage      = "https://github.com/cryptosphere/rbnacl-libsodium"
   spec.license       = "MIT"
@@ -19,7 +19,8 @@ Gem::Specification.new do |spec|
 
   spec.extensions    = ['ext/rbnacl/extconf.rb']
 
-  spec.add_runtime_dependency "rbnacl", "~> 3.0", ">= 3.0.1"
+  spec.add_runtime_dependency "rbnacl", ">= 3.0.1"
+
   spec.add_development_dependency "bundler", "~> 1.5"
-  spec.add_development_dependency "rake"
+  spec.add_development_dependency "rake", ">= 10"
 end