Revision and updates
- Revision version to 6.6.4
- Renamed webchick-domain to webchick-common because this module contain common API for web , server and local modules .
- Added webchick-service  module . This module contain all services .
- Added service history :
 -- responsible for interacting with database tables that contain history data values of controllers .
 -- also contain exporting history data to excel service
 -- also contain creation history data to html table service
- Migrate database table 'datatable' . This action associated with the addition of fields and values (historyopt, historydnum).
- Removed unused classes and methods .