IDGenerator logging change from info to debug for 'last fetched id'
Merge branch 'master' of https://github.com/Korashen/FileMan.git
Little logging change
DB structure changed due to data handling
Extending PartnerDAO
Extending FileDAO.
Also FileDO now accepts 'null' for sender/receiver as this is simply possible
PartnerDAO extended with SQL actions.
Just add the missing comments and check logging and error handling and it should be good.