Don't die on empty files.
Don't die on empty files.

the mime encoding of empty files is detected as 'binary' and subsequent
binary->utf-8 encoding fails.

sanduhrs/phpdox,fxstein/phpdox,FireWalkerX/phpdox,tucompualdia/phpdox,FireWalkerX/phpdox,sanduhrs/phpdox,tucompualdia/phpdox,fxstein/phpdox