0.0.2
 * Improve performance a bit
 * -p and -r are now interchangeable

0.0.1
 * Initial release
 * Print all Unicode 5.1.0 characters according to
   http://unicode.org/Public/UNIDATA/DerivedAge.txt
 * Use -h to show help message
 * Use -p <hex> to print the assigned character
 * Use -r <hex1> <hex2> to print characters from <hex1> to <hex2>
 * Use any other argument to skip all control, private-use, noncharacter, and
   surrogate definitions.
