Initial commit
Init commit, add a8freq.c, modified README, add a basic Makefile.
add a example in README, and add description.
add a8lu.c, modified README
correct README.md
add a8shift.c, fixed '-h' option in a8lu.c, add contents in README.
fix the BIG title in README.md. markdown syntax.....
1. implemented -p option in a8freq.c
2. added and modified contents of README.md
3. slightly modified a8lu.c and a8shift.c
added and modified contents in README.md
added color(highlight) function in a8freq.c
deleted useless lines in a8freq.c
added decode.sh, fixed a bug in a8freq.c
extended the counter array
update a8freq.c (big update)
add number count support
update README
optimize a8freq.c
Merge remote-tracking branch 'a8freq/master'

Conflicts:
	README.md
prepare to rewrite
add: crunch.{c,h} and bytefreq.c, update doc