no aggregate for versions without rules
oops bad logic
first hints of unit testing
More unit tests

Also extending the native codeigniter unit testing library to allow us
to specify which output fields we want displayed on the report page
after each test is run.
styles for test output table
unit testing CRUD functions in version model

also removing the need to use database for ci_sessions
Merge pull request #49 from williecheong/development

Development