Bug Fix Update and Performance Improvement

Fixed a bug in decoding to hex.
Optimization set to 3.

Second Release

This release contains the same features as the initial release, but with massive performance improvements from using buffered writing, and avoiding memory allocation.

Initial Release

This is the first release of Hew, a command line tool for encoding and decoding binary data to hexadecimal ascii characters.
All major functionality is present, and tested manually on the command line.