Merge remote-tracking branch 'codeguy/develop'

Changes:
    modified:   .gitignore
	modified:   Slim/App.php
	modified:   Slim/Http/Headers.php
	modified:   Slim/Http/Request.php
	modified:   Slim/Http/Response.php
	modified:   Slim/Route.php
	modified:   tests/AppTest.php
	new file:   tests/FlashTest.php
	modified:   tests/Http/HeadersTest.php
	modified:   tests/Http/RequestTest.php
	modified:   tests/Http/ResponseTest.php
	modified:   tests/RouteTest.php