```ruby
def is_ruby_19?
  RUBY_VERSION == '1.9.1' or RUBY_VERSION == '1.9.2'
end

Encoding.default_internal = Encoding.default_external = "ASCII-8BIT" if is_ruby_19?

require 'rubygems'
require 'spec'

begin
  require "ruby-debug"
rescue LoadError
  # NOP, ignore
end

require File.dirname(__FILE__) + '/../lib/restclient'
```

Remove "require 'spec'" for rspec 2 compatability.
user
```ruby
def is_ruby_19?
  RUBY_VERSION == '1.9.1' or RUBY_VERSION == '1.9.2'
end

Encoding.default_internal = Encoding.default_external = "ASCII-8BIT" if is_ruby_19?

require 'rubygems'

begin
  require "ruby-debug"
rescue LoadError
  # NOP, ignore
end

require File.dirname(__FILE__) + '/../lib/restclient'
```
assistant