Merge pull request #141 from Posnic/sales-quotation

item search
Merge pull request #142 from Posnic/settings

settings
Merge pull request #143 from Posnic/settings

setting
Merge pull request #144 from Posnic/purchase-return

purchase return
Merge pull request #145 from Posnic/purchase-return

stock history
Merge pull request #146 from Posnic/purchase-return

purchase return
Merge pull request #147 from Posnic/sales-return

Sales return
Merge pull request #148 from Posnic/sales-return

sales return
Merge pull request #149 from Posnic/sales-return

add new sales return
Merge pull request #150 from Posnic/sales-return

update sale return
Merge pull request #151 from Posnic/sales-return

approve sale return
direct sales bill
Merge pull request #152 from Posnic/sales-bill

direct sales bill
sales bill list from direct sales
Merge pull request #153 from Posnic/sales-bill

sales bill list from direct sales
Merge pull request #154 from Posnic/sales-return

approve sale return
sales return