AdapterInterface: addRow function
AdapterInterface: Whitespace cleanup
Column:
  * Rid some of the getters/setters, access options directly.
  * Add a __toString() function
  * Determine valid options based on public variables

TODO: Move vars into $options array

Table:
  * Use new method for get/set column name.
  * Add addRow() method

SQLiteAdapter:
  * Add addRow() method

TODO:
  * Figure out a better way to handle not having column names passed
    into addRow()
  * Implement addRow() across all adapters
Table: Whitespace cleanup