Fixes for Proxy creation from URL String and SOCKS5 authentication. Bump version number to 1.0.4.

Rakefile

@@ -1 +1,10 @@
-require "bundler/gem_tasks"
+require 'bundler/gem_tasks'
+require 'rake/testtask'
+
+task default: :test
+
+Rake::TestTask.new do |task|
+  task.libs << 'lib' << 'spec'
+  task.pattern = 'spec/**/*_spec.rb'
+  task.verbose = true
+end