fix: convert ObjectId to string
add:  operator
add:  operator
tweak: check variables before use
add: $regex operator
fix: remove some tests for the $regex operator
clean: split and sort unit tests
tweak: improve a condition for $regex operator
event filter implemented + unit tests
Merge branch 'white-black-list' of github.com:capensis/canopsis into white-black-list
event filter clean
fix: _editRecord call
add: UI rules manager
Merge branch 'develop' into white-black-list
fix: min/max parsing
fix: custom options parsing
fix: use correct field name
clean: remove debug
Merge branch 'develop' into white-black-list
Update cmfilter.py

re.search(pattern, string, flags=0) return None if no position in the string matches the pattern and 'bool(None) == False'