Must clean up the garbage.

If for some reason we don't enter the first if statement and ob_get_clean() never gets called then well be collecting garbage... Literally. So we need to code for the off chance that it doesn't enter. http://us2.php.net/manual/en/function.ob-start.php
Merge pull request #84 from Dr-Head/patch-1

Must clean up the garbage.
Fix CS
Enable fixture inheritance
Add @self reference
Clarify code and fix include result comparison, fixes #89
Merge remote-tracking branch 'ChessCom/MD/self-reference'
No need to set to null before unsetting, refs #87
Make last extended template win
Merge pull request #86 from ajessu/fixtures_inheritance

Enable fixture inheritance
Add 5.6 testing
Add built-in identity provider, support for others

- Update README with identity provider info
- Add syntactic sugar for default identity provider (no provider name, ie <(...)> becomes identity<(...)>
Extend the ability to pass references to providers

- Allow non-nested references anywhere within a provider call
- Allow as many of them as you want (as long as they aren't nested)
- Add documentation
- Add test
Skip references inside of double-quoted strings
Merge pull request #88 from ChessCom/MD/provider-reference-passing

Provider reference passing update
Merged changes since Feb 17 into the refactor fork.

Changes:
 - Inheritance logic moved into Instances\FixtureBuilder
 - Extension logic moved in Instances\Fixture itself
 - @self referencing moved into Loader\Base#populateInstances
 - Processing calls for IdentityProvider, reference passing, and double quoted references moved into Processor\Methods\Faker
Completed php doc-block documentation for the Fixture class
Reviewed all classes to ensure that all functions and properties are properly and adequately documented
Added method to FixtureBuilder class to register new builder methods
Added method to Populator class to register new populator methods