Fix active record driver to prevent column name collisions
Bugfix filters when table not exists
Rename some internal methods to avoid accident overwriting
Specify list of columns for csv export
DateFilter range option
Refactor filters code a little
Refactor default filter definition
Add screenshot to readme
Refactor default filter code
Refactor ranged date filter
Integer range filter
Support order given as block
Remove unused gem
Ruby 1.8.7 doesn't support func(*foo, :bar= > baz) calling
Merge pull request #51 from bikeexchange/fix_for_187

Ruby 1.8.7 doesn't support func(*foo, :bar= > baz) calling
Allow HTML class to be specified for each column in the report.
Merge pull request #50 from bikeexchange/allow_class_per_column

Allow HTML class to be specified for each column in the report.
:data option to provide CSV alternative to :html option
Rework combined HTML & data columns:

  * html wrappings are specified as an option argument
  * data computation is preserved in the original block
Allow model & grid to be passed to HTML wrapper blocks