New file HACKS which explains various performance hacks in the library
drwxr-xr-x - Data
-rw-r--r-- 1094 HACKS
-rw-r--r-- 1550 LICENSE
-rw-r--r-- 47 Setup.hs
drwxr-xr-x - include
drwxr-xr-x - internal
drwxr-xr-x - old-testsuite
drwxr-xr-x - tests
-rw-r--r-- 3307 vector.cabal