Details for the issue

As far as I can tell, there is not a way to import NULL values from a CSV. I suggest an additional checkbox in the "Import CSV file" window of "Treat missing values as NULL". Or I'm curious if you all have another idea to handle this.
Thanks!

Useful extra information

I'm opening this issue because:

• DB4S is crashing
• DB4S has a bug
• DB4S needs a feature
• DB4S has another problem

I'm using DB4S on:

• Windows: ( version: ___ )
• Linux: ( distro: ___ )
• Mac OS: ( version: 10.12.6 )
• Other: ___

I'm using DB4S version:

• 3.10.1
• 3.10.0
• 3.9.1
• Other: ___

I have also:

• Tried out the latest nightly version: https://github.com/sqlitebrowser/sqlitebrowser#nightly-builds
• Searched for an existing similar issue: https://github.com/sqlitebrowser/sqlitebrowser/issues?utf8=%E2%9C%93&q=is%3Aissue%20