[IMP] expression.parse: added some asserts about non supported cases.
[IMP] expression.parse: added some asserts about non supported cases.
MarkusTeufelberger/openobject-server,splbio/openobject-server,splbio/openobject-server,gisce/openobject-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,ovnicraft/openerp-server,ovnicraft/openerp-server,MarkusTeufelberger/openobject-server,splbio/openobject-server