Gives error on invalid format.
Merge pull request #51 from sudorandom/format_error

Gives error on invalid format
Fixes cci create-options filters.
Merge pull request #58 from sudorandom/issue_55

Fixes cci create-options filters
Cleaned up CCI details output

Closes #48
Cleans up create and create --test options
Unified testing output
format_output now only returns strings
FormatedItem now accepts an empty string as valid output
Adds SequentialOutput class
sl cci detail now handles missing data