Update db->insert()
- add message when $from is empty
- param check
- add check version and emulation "INSERT INTO ... SELECT ..." for mysql<4.0.14
Single style insert to db -> use db->insert()
Update db->update() …
- add message when $from is empty
- param check
Single style update from db -> use db->update()
Merge pull request #183 from Segr/develop

Insert & Update optimization