Merge pull request #20 from kachick/improve/remove_some_warnings

Remove some warnings

Author: delano

test/common.rb

@@ -1,5 +1,5 @@
 require 'test/unit'
-require 'mocha'
+require 'mocha/setup'
 require 'stringio'
 
 begin

test/test_all.rb

@@ -3,5 +3,5 @@
 #puts Net::SSH::Version::CURRENT
 require 'common'
 Dir.chdir(File.dirname(__FILE__)) do
-  Dir['**/test_*.rb'].each { |file| require(file) }
+  Dir['**/test_*.rb'].each { |file| require(file) unless file == File.basename(__FILE__) }
 end