add Rakefile to test all tests
actualize tests
Added wait and delete params to docs.
proactively catch empty queue names

otherwise you get a bizarre error "undefined method `encoding' for nil:NilClass"
Merge pull request #74 from seamusabshere/patch-1

proactively catch empty queue names
merge
Merge pull request #72 from iron-io/tests-improvements

Tests improvements
Merge branch 'master' into v3

Conflicts:
	test/test_iron_mq.rb