Object: Manipulate MySQL table records as objects

This class can be used to manipulate MySQL table records as objects.

It can retrieve a record of a given MySQL table when the object is created.

Assigning values to the object variables that have the same name of any of the table fields makes the table record be updated automatically with the new value when the update function is called or the object is destroyed.

The class can prevent that certain record fields be changed with the method above.