add deletion option for merge function.
tree5298df1788e6038ae2cf801fdd5391c2b51f7a3a
-rw-r--r-- 80 .gitignore
-rw-r--r-- 5949 Build.PL
-rw-r--r-- 352 Changes
-rw-r--r-- 840 MANIFEST.SKIP
drwxr-xr-x - bin
drwxr-xr-x - lib
drwxr-xr-x - t