Export function to Utils
Hide useless warning
Fix nullpointer
Fix not-serializable error
Prevent nullpointer during debug
Ignore nullpointer in imagewrite
Fix waiting time
Fix fisherface crash
Another fisherface crashfix (This shouldn't happen in real env. though)
Rewrite getSimilarity
Fix serialization not saving the bytearray
Allow default cam to be non-existing
fix grabbedframe after last commit
Adjust webcam resolution by var
Sort-of fix crash in IplImage.asCvMat() by applying sleep(10)