upgrade to 4.1
missing methods for laravel 4.1
remove unneccesary declareQueue call
define exchange type and flags, will use AMQP_EX_TYPE_DIRECT and AMQP_DURABLE by default
updated example
added version 4.1 to the composer.json
updated readme
Merge branch 'upgrade-4.1'

Conflicts:
	README.md
	composer.json