[IMP] make chs's http session cleanup spam less spammy
[IMP] make chs's http session cleanup spam less spammy

havt/openerp-web,havt/openerp-web,akretion/openerp-web,akretion/openerp-web,havt/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web