Fixes to_s method not returning a string.
Update README for row_attributes
Improve README.md examples for row_attributes
Modified treatment of conditionals in actions
Merge pull request #40 from mvdamme/fix_actions

Modified treatment of conditionals in actions
Update the README to properly reflect custom columns.
Merge pull request #37 from quazimodo/feature/tr-options

Feature/tr options
Merge pull request #35 from mikecmpbll/slim_fix

Fixes to_s method not returning a string.