works great under 1.9, but under ree blows up:
```
/Users/mike/code/pg_power/spec/spec_helper.rb:4:in `require': no such file to load -- simplecov (LoadError)
	from /Users/mike/code/pg_power/spec/spec_helper.rb:4
	from /Users/mike/code/pg_power/spec/active_record/schema_dumper_spec.rb:1:in `require'
	from /Users/mike/code/pg_power/spec/active_record/schema_dumper_spec.rb:1
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `load'
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `load_spec_files'
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `map'
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/gems/rspec-core-2.11.1/lib/rspec/core/configuration.rb:780:in `load_spec_files'
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/gems/rspec-core-2.11.1/lib/rspec/core/command_line.rb:22:in `run'
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/gems/rspec-core-2.11.1/lib/rspec/core/runner.rb:69:in `run'
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/gems/rspec-core-2.11.1/lib/rspec/core/runner.rb:8:in `autorun'
	from /Users/mike/.rvm/gems/ree-1.8.7-2012.02@pg_power/bin/rspec:23
rake aborted!
```