Added thumbnail to list of available filters and functions

Merge remote-tracking branch 'upstream/master'

Conflicts:
	config/twigbridge.php
	src/ServiceProvider.php

Merge remote-tracking branch 'upstream/master'

Conflicts:
	config/twigbridge.php
	src/ServiceProvider.php

Merge remote-tracking branch 'upstream/master'

Conflicts:
	config/twigbridge.php
	src/ServiceProvider.php

Merge pull request rcrowe#239 from kwoodfriend/patch-1

Update composer.json

Version 0.9.0

Add csrf_field function

Update Bridge.php

Bump to 0.8

Add Lumen install info