ye chand ta bug fix kardam

edame dbManager va Project ro daram minevisam
unit test marboote ro ham neveshtam
daram rooye exception method hayee ke ghablan neveshtam kar mikonam
Merge branch 'master' of github.com:mahmoodramzani/20121228
comment gozari anjam shod

method haye unit test neveshte shod
method haye deleteValue be hamrah unit test ezafe shod