Fixes #2 - close image when done with it.
Fixes #2 - close image when done with it.

https://github.com/tleyden/open-ocr/issues/2

puffygeek/open-ocr,maiduchuy/open-ocrworker,maiduchuy/open-ocr,tleyden/open-ocr,kimmobrunfeldt/open-ocr,tleyden/open-ocr,maiduchuy/open-ocr,puffygeek/open-ocr,kimmobrunfeldt/open-ocr