Add further checks on TryLater test
Add test for delayed tasks in TestBwl
Merge branch 'master' into clement-trylater

Conflicts:
	bwl-core/src/test/scala/com/wajam/bwl/TestBwl.scala
Fix delayed tasks test name
Merge pull request #41 from wajam/clement-trylater

Enforce TryLater test + add test for delayed tasks in TestBwl