Place together ruby on rails migrations snippets
Refactor some ruby rspec/shoulda snippets and add new ones
Fix policies explanation for default triggers and some typos
Add iurifq to Elixir maintenance and to AUTHORS file
Add snippet for do to elixir snippets
added __unicode__ python snippet
Merge pull request #232 from tobiewarburton/master

added __unicode__ python snippet
ruby test assert_diff with a chance to set value
Merge pull request #233 from aisensiy/master

Give a chance to set the assert_difference value
Duplicated Ruby snippet `sel`
Merge pull request #234 from vrybas/duplicated-ruby-snippet-sel

Duplicated snippet in ruby.snippets
change (ruby.snippet) new pattern for shoulda matchers