Moved tcl files to subdir
Moved private files to other dir
Handle exceptions, note in DB
delete records from DB where corresponding files no longer exists in file system, from MD5 calc failure.
Moved unused functions to tryout dir
Added lib-diskcat, used in calc-md5
Renamed diskusage dir to diskcatalog
my-cli: add try-catch
Add sqlite UDF, different stuff
Added target dir to ignore list