fixed some bugs with PHP 5.3
Configuration file implementation

Extracted some specific package settings to a configuration file.
BaseEngine : Changed scope of private properties and methods to protected to be able to override implementation
minor typo
Merge pull request #66 from delomos/patch-1

minor typo
Merge pull request #56 from tequilarapido/baseenginescope

BaseEngine : Changed scope of private properties and methods to protecte...
Merge pull request #49 from imade-nl/config

Configuration file implementation
modify column search
Merge pull request #76 from mgufrone/master

Support search column with DB::raw query
Assign the Datatable object to a variable

By assigning the datatable object to a variable, we can perform useful actions on the object after creation, such as using fnFilter() to handle search events from custom search inputs. This will give developers more flexibility to customize the way they use the table without affecting existing functionality.
Merge pull request #84 from gcummins/patch-1

Assign the Datatable object to a variable
fixed #61, fixed #63, fixed #65, fixed testcases to work with the config option
Update README.md
Update README.md