Merge pull request #2 from hughsimpson/fromJorge

Formatting
Merge pull request #76 from MarioArias/master

Change pointcut definition for actorOf
includeSystemAgents is configurable
can match multiple inclusions/exclusions. Boolean to switch between include/exclude behaviour renamed 'excludeAllNotIncluded'
updated comments, improved test
Faster filter match (sometimes. SOmetimes will still have to iterate through the list)