more debugging of sqlite-slowness
added date-time stamp in DPuts
Added auto-internet button
Added log-messages and optimized data-storage
added mutex to csv-saving of sessions
Making branch
added libraries
more debugging
fixed tests and added disconnect-detection
Added lots of configuration options in the GUI
course-client and server
Reporting is getting good
Accounting of Courses
lots of debugging for cashbox
updated debug-messages
Updated ComptaReport
to_h simulation for 2.0
added 'paid'-account for 'due'-accounts and enabled acocuntant to fetch all money from it
updated test
small adjustements and augmented ComptaTransfer