Geany Crashes if Geanypy is closed with the python console open

[elextr]

When Geanypy is closed the Python console is not removed and when focussed crashes Geany.

It appears that closing Geanypy does not close the running Python plugins.

[codebrainz]

For more info, see also Issue #18

[codebrainz]

@elextr do you mind testing #22 to see if it fixes your issue?

[elextr]

Will do, but not for a couple of days.