Remove dimensions. Ensure column definition occurs before sheetData.

While openoffice and numbers behave nicely, Excel (2007) explodes
if <cols> or <dimension> comes before <sheetData>. Absurd but true.
Update column test, prevent empty column tag from being written.
Update version.
Bring back @defineColumns with caveats, add test.
update version.
Fix archiver dep.
Add hyperlink support.
0.2.2.
Add error on malformed hyperlink object.
xlsx-writestream 0.2.3
Fix test
Restore license (fix #2).