use const references
readonly columns when (part of a) primary key
new
added new file
Merge remote-tracking branch '52n/master'
fix signature to override method
register format filter which can be used via connectTo later on
add missing include
add support for storing plain tableplain table  changes back to database
set binaryLoaded flag appropriately
provide a postgresqlconnector operation for UI
added new files
move preparing subfeature semantic preparation to util class
Merge remote-tracking branch '52n/master'
added support for retrieving operations on serverside
makes now different url for raw and normalized
gets the networkmanager now from the kernel instead of controlling it itself
added network module
error message handler is now relocated to here
correctly now returns the items in the loaditems method