Disable "Generate on Import" by default

[madc0der]

Hi!
Could you please make "Generate on Import" disabled by default. It can lead to a lot of garbage for large projects. And there is no way to disable this option, because re-import is started right after import of this package.

Thank you!

[StCost]

Fixed by this commit in fork
eawoo@ebc1575

I'm making more fixes in my fork. It includes the fixes from eawoo's fork
StCost@ebc1575