wip
UPdated bundler
Fix performance issue
Version bump to 0.6.4
Merge branch 'master' into generator

Conflicts:
	Gemfile
Fix active record driver to prevent column name collisions
wip
UPdated bundler
do
Merge branch 'generator' of github.com:bogdan/datagrid into generator
Updated doc
Add ruby-debug
wip
UPdated bundler
Version bump to 0.6.4
UPdated bundler
Merge branch 'generator' of github.com:bogdan/datagrid into generator
First version of grid generator