Introduce & Test GroupStorage
Introduce GroupStorage::getDefaultInstance
Add a way to clear the default instance
Introduce the Group Annotation
Add the first test group: symfony
Remove the clear groups thing: would eff up demeanors own groups :/
Introduce and test the GroupFilter
Make group inclusion work from the CLI
Introduce NegatingFilter
Make group exclusion work from the CLI
Allow Spec Tests to be Grouped
Add documentation for groups
Chain Filter Now Requires a Consensus

A test case must meet all filter requirements to run.
Remove an uneeded bid of code
Add documentation for filtering
Let's start keeping upgrade notes
Remove a test that was effing with groups
Add acceptance tests for filtering groups
Merge pull request #37 from chrisguitarguy/groups

Introduce Test Groups