some changes
Merge pull request #1 from mariush13/work

some changes
fixes
Merge pull request #2 from mariush13/work

fixes
db upgrade, output, first working version
almost full objective db queries
full objective basic queries
Merge pull request #3 from mariush13/work

Work
properties class added (not working)
Merge pull request #4 from mariush13/work

properties class added (not working)
next improvements