Needs Zoom on face function

[pRoFlT]

The original python Avatarify had a zoom feature so you could get close to your face. Without this the software is crap. capture needs to be as close as possible to make it work good. Could someone add this feature? or is the code simple enough i could branch and do it myself? Would be great if the code just grabbed the face better and you didn't need zoom. either way it would improve this app a lot.

p.s. otherwise this is awesome release. Thanks!