Demonstrate Myers Diff algorithm in Go. Git 是怎样生成 diff 的：Myers 算法。
# char mode: myers-diff -char src_text dst_text
myers-diff -char ABCABBA CBABAC
# file mode: myers-diff src_file dst_file
myers-diff file1.txt file2.txtgo get -v github.com/cj1128/myers-diff