Merge branch 'performance' of https://github.com/tla/stemmatology into performance
-rw-r--r-- .gitignore
-rw-r--r-- CHANGES
-rw-r--r-- MANIFEST.SKIP
-rw-r--r-- Makefile.PL
-rw-r--r-- TODO
drwxr-xr-x doc
drwxr-xr-x lib
drwxr-xr-x script
drwxr-xr-x stemmaweb
drwxr-xr-x t