v0.2.2 - deleteColumn and renameColumn methods
v0.2.3 - fix deleteRow method
v0.2.4 - fix readme & emit in update method
refactor to extend ractive and use column ids
add/destroy methods
fix up tests
revise readme
cleanup
tojson method
toJSON test
cleanup
improve destroRow, destroyColumn methods
destroyRow, destroyColumn tests
v0.4.0 - toJSON, destroyRow, destroyColumn methods actually work
cleanup
cleanup
create example in gh-pages branch