change in the issue with the search by document features
some change of tab order in view
changes in credit with the document validator
change about the customer so that customer would not be delte if they have monitery transaction
change in menu so that it listen to document
 change in menuentry
change in tiem unit for non deltetion of the unit when they are used in the item of centerstore
changes in order
 warning enable when deletion of group is done
add of the some function
change in systemdatemodel added some model
change in bill model
make some changes