Rev 121

1. fixed heap of small bugs with both the Open Database and Move Items
routine
2. fixed open databases DiaBase file verify routine. (only valid DiaBase
files should load now, other .txt files will be aborted with a verify
error message)
3. fixed backup bug - Current database file now backs up to its correct
filename  again
4. Fixed the open database dropdown list by adding a global reference
list to module1(it holds successfully opened filenames for this session
for quicker selection when opening)
5. finished the rename database routine in open saved database lists
context menu) - bugs notwithstanding