Print values in hex if value > 255
Print values in hex if value > 255

Solve one of issue in https://github.com/radare/radeco/issues/7

radare/radeco,radare/radeco-lib,some-username/radeco-lib,radare/radeco,radare/radeco-lib,some-username/radeco-lib,radare/radeco-lib,radare/radeco,some-username/radeco-lib