Added MainTest#test_modify_key.
-rw-r--r-- 44 AUTHORS
-rw-r--r-- 25291 COPYING
-rw-r--r-- 448 README
-rw-r--r-- 2657 Rakefile
drwxr-xr-x - ext
drwxr-xr-x - lib
drwxr-xr-x - rake
drwxr-xr-x - test