started to enable pseudotasks. running into issues with state saving...
added is_pseudotask method
fix in breadth first search. whoopsie
fixed duration message for pseudotasks
fixed issue with running workflow on a subset of tasks
fixed clean functionality with pseudotasks
fixed initial ordering for iter_bfs
documentation about pseudotasks
fix archiving for pseudotasks
Merge pull request #26 from deanmalmgren/issue-26

make it possible to run a group of tasks really easily