Rephrase the one init file per gem rule
Fix #29 - suggest standard structure for model classes
Add an example of sexy validations usage
Suggest a location for custom validator classes
Refresh the section on migrations
fix broken anchors.
Merge pull request #56 from markevich/fix_anchors

fix broken anchors.
add link to guard gem
add "The cucumber Book" in Further Reading

Also there is a good presentation of BDD, which i recommend to everyone working with cucumber.
http://skillsmatter.com/podcast/agile-scrum/bdd-as-its-meant-to-be-done
Merge pull request #58 from markevich/add_the_cucumber_book

add "The cucumber Book" in Further Reading
Merge pull request #57 from markevich/fix_guard_gem_link

add link to guard gem
Conclude the guide on a cheerful node
add book «Everyday Rails Testing with RSpec» to Further Reading

It's good for reading. I recommend it.
Add license information
Merge pull request #61 from stamm/master

Add book «Everyday Rails Testing with RSpec» to Further Reading
Update README.md

Probably intended to mean the opposite.
Merge pull request #63 from nigel-lowry/master

Small typo.
Prefer %w to the literal array syntax when you need an array of strings.

https://github.com/bbatsov/ruby-style-guide#collections
Merge pull request #64 from kbighorse/master

Prefer %w to the literal array syntax when you need an array of strings.
SQL Injection teachers

[ruby regular expressions](https://github.com/bbatsov/ruby-style-guide#regular-expressions)

```ruby
string = "some injection\nusername"
string[/^username$/]   # matches
string[/\Ausername\z/] # don't match
```